As of May 6th, 164 people have lost their lives in Motor Vehicle Crashes in New Jersey.
Dominick Michael Cecere, 17
Terry DiFalco, 13
Julius Franklin, 60
9 Unknown
Passengers in Motor Vehicles
Danielle Nicole Allen, 38
John Asmat, 40
3 Unknown
Drivers of Motor Vehicles
John Fahey, 51
30 unknown
For the most part traffic fatalities are covered in newspapers and on TV. But a few have seemed to fall through the cracks. If you have any news links or details of these tragedies please reply in the comments section.
1 Driver, Gloucester City - Interstate 676 MP 2-4-17
2 Pedestrian, Randolph Township - Reservoir Dr 1-13-17
3 Pedestrian, Pennsauken Township - Route 70 2-7-17
4 Driver, Parsippany Township (Mount Tabor), Simpson Ave 1-2-17
5 Driver, Woodbridge Township, Route 9 1-8-17
6 Elderly Pedestrian, Haddon Township (Westmont) 1-13-17
7 Pedestrian, Paterson, Illinois and Trenton Ave, 1-16-17
8 Pedestrian, Lakewood Township, Route 9 1-13-17
9 Passenger, Verona Borough, Pompton Ave (Rt. 23) and Claridge Ave 1-24-17
Earlier this month we saw the very successful running of the 7th Annual "Hell of Hunterdon, a challenging, semi-competitive ride that features some of the most beautiful, scenic roads in Hunterdon as well as Somerset and Mercer Counties. Modeled after the Spring Classics of Europe, the main feature of this ride are the numerous sections of dirt and gravel roads that offer an extra challenge for the riders.
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A cyclist's eye view of the 2009 running. Photo - Hell of Hunterdon. |
However, dirt and unpaved roads are also called, "unimproved roads" and engineers hate things that are unimproved or not quite up to modern AASHTO standards. Near the Hell of Hunterdon route, Long Hill Road in Hillsborough was paved about 10 years ago. Closer to Lambertville, Mill Road part of this years ride in West Amwell was also paved not so long ago. How long before more and more of what makes the Hell of Hunterdon a "Modern New Jersey Classic," is paved? Will Montgomery Road get chip-seal next? What about Lake Road? Quarry? Or super scenic and quiet Stompf Tavern Road that rises from the Delaware River next to a creek bed just upstream from Bulls Island State park? Will the lovely "Hell" be entirely lost someday soon?
But dirt roads are much more than a challenge ultra-fit road cyclist on a moody spring weekend. As my friends and I found out, dirt roads can also provide a wonderfully scenic and quite hiking/walking experience. In West Amwell's and Hopewell Township's Pleasant Valley, Hunter Road (a dirt road close to through traffic due to a rickety bridge and also featured in the Hell) and several others made for a great walk. It was such a pleasure passing through some of the most scenic landscapes in New Jersey without worrying about cars. It's called Pleasant Valley after all!
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My friend Paul walks south on Hunter Road with Kuser Mountain behind. | | |
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My other friend Adam crosses Moores Creek on the bridge closed to motor traffic. |
Dirt roads also provide places for people to ride horses as well. In the ultra-wealth enclave of Bedminster, many of the roads have purposely been left unpaved for horseback riding. This also has the added bonus of keeping the "riff-raff" out in their Chevrolets (but not my friends and I on our bikes). And that is likely the ultimate benefit of dirt roads. They are very effective at preventing most New Jersey drivers from using them as short cuts and therefor provide a quite respite for the adventurous sole that might be on foot, bike or horseback.
Unfortunately, except in some rich locals, no one is looking to preserve and maintain dirt roads as they are. Admittedly as traffic become slightly heavier on these once hidden roads, it likely becomes more cost effective for local officials to pave them. That is likely what happened on Mill Road in West Amwell and Long Hill Road in Hillsborough. But something is also lost when the steamroller comes. Driver speeds increase and that coziness of a bygone era seems to evaporate. And in rapidly developing New Jersey, we need places that we can step back into a bygone era and quaint little dirt roads are one of those places.
Who's going to fight to save the dirt roads?

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Couples take a romantic stroll in the park of my
mom's hometown of Bad Kissingen, Germany. |
The date was going exceptionally well. The summer evening was warm but comfortable. She and I were lucky enough to score a table outside at a restaurant in Freehold's historic downtown. As we dined al fresco our conversation became more animated and more flirty. There was definitely a chemistry between us but every five minutes our conversation was interrupted with a deafening BBBBBRRRRRRAAAAAAAPPPPPP
PPPPPPPP!!!!!!! of a Harley Davidson or other extremely LOUD motor vehicle who's owner felt the need to showoff. It became so annoying that the cruising noise became just as memorable as the date. We both had to just stop our conversation in mid sentence for tens of seconds at a time. And as we both had parents from Europe (she from Greece and I from Germany) and both of us have visited the Old World numerous times, we both noted that our romantic evening together would never be so rudely interrupted in any restaurant over there.
After dinner we went for a stroll together. Unfortunately with in a
block or two, the scenic downtown gave way to an ugly if not downright
scary surface parking lot where her car was parked. It was clear that our stroll would go no further. Still, we flirted some more
until we both locked eyes, pulled each other close and passionately
kissed each other goodnight, right underneath the sodium vapor lights
and next to the stinky garbage dumpster. UGHH! Not exactly the most romantic
place for two lovers to share their first kiss. Kind of no surprise
then that our relationship didn't go anywhere (admittedly it was my fault).
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Couples stroll and window shop in the car-
free Medieval center of Bad Kissingen. |
By contrast I am always amazed by how romantic my mom's hometown of Bad Kissingen, Germany is every time that I return. There, even the most hopeless romantic can't screw up! Granted it was rebuilt by the King of Bavaria in the 19th Century, the Romantic Period, to be the Royal Bavarian Spa Resort but nowhere that I've been to in New Jersey and very few in the entire U.S. can come close to its romantic appeal. Today, Bad Kissingen survives as a spa and resort town but its 19th Century Romantic glory is not lost in today's hectic world. Even though I've been coming here every other year since early childhood, I have no problem walking for hours in this beautiful town, day after day. It is clear that the "lure of the stroll" is not lost on the thousands that visit here each year and those that call Bad Kissingen home. As a spa and "kurstadt" (cure town in English), walking is often part of the treatment so keeping the town romantically walkable has long been part of the design of the town (a ring-road takes loud through-traffic around town, gates prevent through-traffic from crossing town and most of the old town is totally closed to cars).
Unfortunately, back home in New Jersey, I find it so difficult to find anyplace that has the capability to provide hours of romantic strolling as my mom's hometown. Yes, places like Princeton, Lambertville, Ocean Grove and Montclair offer romantic opportunities but usually after 15 minutes to a half-hour of strolling the opportunities just seem to peter out. And rarely does one find that perfect place to give that special new love a VERY memorable first kiss. You got to make it memorable, right?
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Lovers sit before the spectacular rose garden in the center of Bad Kissingen. This is
just one of a hundred places in Bad Kissingen that would make for a memorable first kiss. |
The lesson here? There is more to a great walking environment than just sidewalks and crosswalks. Places need to be beautiful if not downright romantic to truly succeed. Whimsey needs to be celebrated and not lambasted as a costly extravagance. On this Valentines Day lets not forget that love is often the product of beauty, as much as beauty is the product of love.
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The view of Manhattan from Hoboken's Pier C Park is great place to seal
that great first date with a kiss. He/she is sure to not forget it. |
And yes, there is still hope for New Jersey. Hoboken's Pier C Park, lambasted for cost overruns and delays is a truly world class park. Even on a cold winters night like that when the photo above was taken, it is still a great place to give that special someone a great memorable kiss.
Go for a walk tonight and find a good spot for a romantic kiss. Feel free to share your romantic spots to walk and smootch. I've got to run myself. Don't want to be late for my date.
According to the NJ State Police 563 people were killed by motor vehicle crashes in 2014, a 4% increase from 2013. However people in cars and on bicycles actually saw slight declines. There were 170 people killed by motor vehicles while walking in New Jersey, a 28% increase. Pedestrians now account for 30% of all fatalities in New Jersey but as the US Census American Community Survey shows only 3.1% of the residents walk to work.
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Sources: NJ State Police and US Census American Community Survey
*Census includes Taxi and Motorcycle riders |
Inattentive driving (distracted?), impaired driving and speeding were the primary factors for 73% of all fatal crashes. Traffic deaths take their greatest toll on older New Jerseyans, more than 50% of the victims were aged 50 and over.
The societal and economic losses of traffic fatalities is almost impossible to comprehend. The National Highway Safety Administration estimates that in 2010
the economic and societal costs of each traffic fatality was about 6 Million dollars, which tallies up to a $3.4 Billion loss for the State of New Jersey in 2014, nearly equal to
NJDOT's entire transportation budget.
A Vision Zero approach to road safety has
been successfully implemented in Sweden, reducing fatalities by 50% since 1970. In Sweden a resident has a 1 in 38,000 chance annually of dying in a crash, while in New Jersey resident has a 1 in 16,000 chance
**.
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Traffic volumes and traffic deaths in Sweden are on opposite trend lines. |
Recently New York City and San Francisco have adopted Vision Zero policies. While much of the early discussion in NY and SF has been around education and enforcement the Swedes have attained much of their success through improving the infrastructure as quoted
in this article in the Economist.
Planning has played the biggest part in reducing accidents. Roads in
Sweden are built with safety prioritised over speed or convenience. Low
urban speed-limits, pedestrian zones and barriers that separate cars
from bikes and oncoming traffic have helped. Building 1,500 kilometres
(900 miles) of "2+1" roads—where each lane of traffic takes turns to use
a middle lane for overtaking—is reckoned to have saved around 145 lives
over the first decade of Vision Zero. And 12,600 safer crossings,
including pedestrian bridges and zebra-stripes flanked by flashing
lights and protected with speed-bumps, are estimated to have halved the
number of pedestrian deaths over the past five years.
Completes Streets policies have been aggressively promoted to counties and municipalities by NJ DOT, but while many local governments have adopted policies few have been willing to implement changes. Vision Zero is the broader reaching goal that provides clarity and accountability for strategies like complete streets policies as well as targeted education and enforcement.
**Traffic fatalities divided by total population

Here we go again! The Grinch is coming to NJ TRANSIT to kick you off the train on Christmas Day. It's is another bike blackout day on NJ TRANSIT but not today Christmas Eve which seems backwards because today is a much busier travel day. Considering that reality don't be surprised if crowded trains today force conductors to kick you off today too.
In case you haven't memorized
the rules:
Bicycles are not permitted on trains (with the exception of the Atlantic City Line) on New Year's Day, Martin Luther King Jr. Day, Presidents' Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, day after Thanksgiving, Sunday after Thanksgiving and Christmas Day. Bicycles are not permitted on the day before Rosh Hashanah and Yom Kippur, but are permitted on the holidays themselves.
So if you didn't read this in time and you wind up stranded somewhere remember that you can
take your bike on the Atlantic City Line, most buses, ferries,
PATH and NJT light rail.
Bolt Bus will accept bicycles if space is available.
We still feel that if NJ TRANSIT added vertical bike racks to all of its rail rolling stock like that found on the German made RiverLINE lightrail cars, the space efficient storage of bikes would make the need for blackout dates a thing of the past. RiverLINE trains have no blackout times or days which we feel is in part due to the well designed on-board vertical bike racks.
Connecticut DOT is doing just that and is paying for Metro North RR to install racks on trains serving the New Haven Line.
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Bike racks on the NJ TRANSIT RiverLINE. When not in use
passengers can fold down the seats and sit down. This space
efficient design could easily be retrofitted to most NJ TRANSIT
heavy and light rail rolling stock. |
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NJ TRANSIT along with Metro North/Long Island RR and Chicago's METRA are the only commuter rail lines with black out dates. However recently we heard that METRA is narrowing its rush hour restrictions and
eliminating black out dates. With bicycling more popular then ever the time is now to modernize NJ TRANSIT's bike on rail policies.
Well, it might have been too good while it lasted. If you read The Star-Ledger or have been following our FaceBook Page you are likely aware of the parking protected bike lanes on Mt. Prospect Ave in Newark's North Ward, the first that we are aware of in New Jersey. Columnist Barry Carter has been writing a series (1, 2, 3) about the claimed hardships the streetscape redesign, particularly the parking protected bike lanes have caused the local residents and merchants. This Tuesday he claimed victory over the bike lanes after Mayor Baraka issued an executive order allowing drivers to park at the curb until the roadway could be entirely redesigned without the bike lanes as they are now.
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A sample of the bike lane and streetscaping. |
So hearing that the day's were numbered for this innovative facility, I made a small detour during my day at work on Tuesday and visited Mt. Prospect Ave by car and then walked around on foot around the entire Streetscape Area. For those of you who don't know this project is located in Newark's North Ward which is a vibrant Spanish speaking neighborhood just south of the town of Belleville (see map below). The bike lanes extend right to the Belleville boarder.
Some of the concerns voiced in Carter's columns may have some validity. Merchants complained that with the road narrowed there is no place for them to receive deliveries without blocking the roadway. Similar projects in New York City rededicated some parking spaces for deliveries. I didn't observe any specific loading zones here but there were also no deliveries going on. Also, residents complain with the road narrowed, garbage pickup now backs up traffic. However this only happens for a few minutes several times a week at most. With the traffic volumes I observed this didn't seem likely to be a big problem, no more than illegal double-parked cars (more on that later).
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Cars allowed to park in the bike lanes due to the Mayor's executive order. |
The other concern was that the city doesn't have a plan to deal with snow removal from the bike lane. The photo below of this now legally parked van shows the width of the lane. However I also think this is non-issue. In Montreal they don't plow most of their parking protected bike lanes and use them for snow storage. There is no reason why that couldn't be the plan here in Newark too.
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This van shows the width of the bike lane. |
However the crux of the argument to remove the bike lanes was that they had eliminated valuable parking that was preventing customers from visiting the stores on the avenue. Also, since the addition of parking protected bike lanes had narrowed the width of the the avenue, customers now would not longer be able to double park to quickly visit store. However in the hour I was there on Tuesday December 16th between 2pm and 3pm, parking was not at all a problem. Again, I arrived by car and was able to find a parking space on just about every block, if not on Mt. Prospect Ave itself, on the immediately adjacent side streets.
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Plenty of parking on this side street when I was here. |
Now I will confess that I was only here for one hour on a Tuesday afternoon. I do not live or work there. Things could be vastly different after 5pm and/or on weekends. Still parking was plentiful on Mt. Prospect when I was there and on the immediately adjacent side streets. To the west a block away most of the curb space was free for car parking. I would be hard pressed to believe that one couldn't find a parking space within any one block on this portion of Mt. Prospect at any time or day. The only real bone of contention here seems to be people's ability to double-park directly in front of the establishment of their choosing which has always been illegal.
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Plenty of parking on both sides of Mt. Prospect here too. |
Many more photos and the conclusion after the break.
So what's the conclusion here? First Newark needs to be congratulated for being the first to install a modern, parking protected bike lane in New Jersey. Yay! Despite rejection from the local community, I felt the bike lane was fairly well designed. However there was NO bike parking seen as part of the streetscaping project. If its not coming that's a pretty big fail. Boo!
Also, it may have helped to mark and designate individual parking spaces. I observed parking space wasted due to haphazardly parked cars. A more efficient and ordered parking of the cars could have made more spaces available.
Ultimately this might have been too much, too soon for Newark. Elsewhere where such facilities were installed, there was already a bit of a bike culture in place with people willing to defend and speak up when such facilities were attacked. There were no local champions here to defend the lanes despite that a large percentage of Newarkers don't have access to a car. When I was there I only observed three people riding bikes, all of whom seemed not to have the means to afford a car. I doubt local merchants see these people as valued customers.
Maybe a more conventional bike lane might be the way to go. As much as we despise it, cars could double park there. Then as more people use bike in the lane they will complain about the double parking until the city needs to do something about it and local shop owners see bicyclists as valued customers.
Let's look at this as a lesson learned and not as a failure. A more bikeable Newark is undoubtedly in this city's future.
Much more photos and comments below.
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Some parking on this side street too! |
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Look east on Montclair and spades of parking here too! |
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More parking directly on Mt. Prospect. |
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And more here too! |
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Parking is available here. |
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Again! More free parking spaces. |
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Plenty of parking on this side street too (Mt Prospect is in the background). |
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More parking on this side street too! |
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Wow! Look at all that parking in front of one the businesses that claimed
the lack of parking was killing their bottom line. More on the side street too! |
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More available parking! There was not a single block or side street that
didn't have parking available. |
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One of the three bike riders I observed on Mt. Prospect Ave in the one hour I
there. None of the bike riders looked like they had the means to afford a car. |
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Streetscape and design details. |
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Streetscape and design details. |
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Streetscape and design details. These cars were moving. |
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Streetscape and design details. |
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Streetscape and design details. |
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Note the lack of a mixing / merging zone a la' NYCDoT. The bike lane design
could possibly use a little more sophistication but yellow gore zone was intended
to keep sight-lines open. |
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Streetscape and design details. |
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Streetscape and design details. |
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Streetscape and design details. The left line on the bike lane should
be dashed to allow cars to merge into the lane ped the MUTCD to
prevent right hooking crashes. A NYCDoT style mixing zone
may have also helped. |
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Ughh! A missed opportunity here. This sidewalk is way
too narrow for such a busy commercial street even in this
area which is fronted by private homes. |
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On the other side of the street the sidewalk was wider in front of these homes. |
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One really good thing with this project, no "beg buttons" required to cross the road. |
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Note the curb ramps angled into the intersection. That's a
no-no according to the new PROWAG guidelines. Curb
ramps and the tactile pads must line up with the crosswalk |
If you're "bike aware" (and likely you are because you're reading this blog) and have ever visited a fast food restaurant you've undoubtedly seen bikes haphazardly parked to anything secure all around the restaurant site. A vast majority of these bikes are undoubtedly owned by members of restaurant staff who depend on their bikes to get to their jobs in the restaurant.
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A bike parked on a street sign outside the McDonalds on Milltown Road in North Brunswick, NJ. |
Knowing that a number of their employees rely on a bike to get to
work everyday, one would think that these fast food restaurants would
provided some official organized bicycle parking that preferably meets
the
basic APBP bike parking standards. Unfortunately this is almost always not the case and the sight of bikes parked to whatever the owner can find is
common sight not only in New Jersey but at most fast food and chain sit-down restaurants
all across the country.
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The above two photos and the one below were all taken at the same time at the North Brunwick McDonalds. There are three bikes in this photo plus the one bike in the first photo. Including the author's bicycle (I ate there too), there were five bikes parked at this
McDonalds location at one time, a very high actual demand. The underutilized lawn
shown here would have made an ideal location for APBP compliant bicycle parking. | | |
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And given no official bike parking and left with few other
options, owners will often lock their bikes to trees. Chaining a bike
to a tree will damage the bark and eventually kill the tree. Trees are
expensive to replace if they are replaced at all, so the landscaping at
the restaurant sites is often left permanently damaged and never given a
chance to mature.
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This tree shows clear signs of structural damage which was likely caused by bike parking. |
So this is why we ask, "What would it say to America if McDonalds
became 'Bike Friendly'?" We are not picking on McDonalds. Far from it! We focus on
McDonalds because they are clearly the industry leader and we respect them for that. If McDonalds makes the
move to standardize bike parking for their employees and guests, WalkBikeJersey believes that it would
send a message across the entire restaurant industry. Their engineering consultants that do their local site plans would also be educated about proper bike parking design and hopefully the message would get out to the towns that do the site plan review and then possibly even to McDonalds' competition. There is clearly the potential for a positive feedback loop here.
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Employee bicycles locked to the signpost marking the handicapped parking space
at the McDonalds on Route 22 in Somerville NJ. The signpost is much closer to the
door than the provided bike rack that fails APBP Guidelines. As such the bicyclists
park on the signpost which could then block wheelchair users from accessing the door. |
Also, McDonalds is known for remodeling their restaurants at regular intervals. Both McDonalds featured in this story were entirely remodeled inside and out within the past 2 years and the North Brunswick location has been remodeled 3 times in the past 15 years. Their frequent remodeling schedule would allow them quickly implement universal APBP compliant bike parking at large portion of their restaurants.
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This APBP non-compliant "wave rack" located at the Somerville NJ McDonalds
was far from the door and not immediately visible. It was also located too close to
the bushes seen here to be used properly or easily. |
Some locations like the Somerville McDonalds have tried to do bike parking but didn't get the details quite right. This is a good sign but just the beginning. We hope McDonalds takes the lead here because not only would good bike parking be good for their employees but it would prevent damage to their landscape trees, limit liability when bikes are haphazardly park to signs and it would be good costumer service as well. And if McDonalds is smart, and we know they are, they could turn this into a great public relations opportunity.
Now if we could only get them to turn the "drive-up window" into a "walk-up window." We can dream, no?
It's BAAACCKK!!!!
Yes suburban sprawl is alive and well once again in New Jersey and it seems destine to destroy our favorite rural cycling roads. Prior to the Great Recession, the housing bubble was eating into vast swaths of what makes New Jersey the Garden State. During that time I personally saw many wonderfully charming, quite rural roadways straightened, blown out and widened to modern "safety standards" to accommodate large new car-dependent developments and traffic demands 30 years into the future. With a slight uptick in the economy my rides have once again been filled with the sight of new housing starts like that seen below. While the rediscovery of urban centers and urban living have been absorbing much of the housing boom here in New Jersey, old habits still seem to die hard here in our state. Also the massive amounts of wealth being generated in New York City and the region make the dream of a house out in "the country" (well it was the country till all of you moved here) all too attainable and attractive for those who can still easily afford this style of living.
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New "estate homes" being built in an empty field off of wonderfully bikeable and entertaining Burnt Mills Road in
Somerset County. Much more of this and the traffic volume on Burnt Mills will render the road un-bikable.
BTW - Note the budget bin fiberglass street lamp. Luxury indeed! |
We've talked about
the connection between sprawl and the degradation of New Jersey's wonderful rural road cycling before (if you don't understand it, read that old blog article). Luckily there is something we can all do to slow and hopefully stop New Jersey sprawl once and for all. On this Election Day you can vote YES for Ballot Question #2 which would permanently dedicate a small portion of the state corporate business tax to fund openspace preservation, park maintenance, new trails (!) and new park facilities. Support is strong for this question in the local New Jersey
media. For details about the question itself see
this in the Daily Record. And here is The New Jersey Conservation Foundation
rundown on what voting YES on Ballot Question #2 would mean.
So voting yes on Ballot Question #2 would preserve open space which means preservation of scenic areas we love to cycle, along with the old quirky roads that have so much charm and make cycling in New Jersey so much fun. It would also provide monies to build and improve trails, parks and park facilities.
A win on Ballot Question #2 is a win for cycling and the overall health of the Garden State.

In case you haven't memorized
the rules:
Bicycles are not permitted on trains (with the exception of the Atlantic City Line) on New Year's Day, Martin Luther King Jr. Day, Presidents' Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, day after Thanksgiving, Sunday after Thanksgiving and Christmas Day. Bicycles are not permitted on the day before Rosh Hashanah and Yom Kippur, but are permitted on the holidays themselves.
So if you didn't read this in time and you wind up stranded somewhere remember that you can
take your bike on the Atlantic City Line, most buses, ferries,
PATH and NJT light rail.
Bolt Bus will accept bicycles if space is available.
NJ TRANSIT along with Metro North/Long Island RR and Chicago's METRA are the only commuter rail lines with black out dates. But just yesterday we heard that METRA is narrowing its rush hour restrictions and
eliminating black out dates.
With bicycling more popular then ever the time is now to modernize NJT's bike on rail policies.
Looking to do some bike touring this summer around New Jersey? Want a cheap place to stay? Like to go camping? Take a look at the VERY detailed interactive NJ Campground Map that we put together for the NJ Bike Map a few years ago. Both publicly (National, State & County Parks) and privately operated campgrounds have been included here. Click on the campground icons for detailed info about that campground including contact info, number of sites and amenities. Only campgrounds that one could use for cycling touring have been included. Members and RV only campgrounds have not been included (ones that appeared to be defacto trailer parks have also been avoided). Each icon is VERY accurately placed on the map, usually placed either on the campground office or in the center of campground. Have fun exploring New Jersey on your bike this summer!
Really cool is the
NEW campground on Sandy Hook! Opened by the National Park Service two years ago, this is the only place you can camp on the Jersey Shore AND it's right off the really nice Sandy Hook Bike Path.
Also note, unlike most State and National Parks in the American West, New Jersey Park Campgrounds do not have special "Hiker / Biker" sites for the "passing through" bike tourist (Hint, hint, NJ Parks and Forests!) and rangers will turn you away at nightfall even after a long day on the bike (yes, this actually happened to me). Advanced reservations for State Park sites require a two day minimum stay which is not useful for the passing cycle tourist and VERY expensive at $50 for two nights ($60 for non-residents)! NJ State Parks used to hold open a number of campsites for day-of arrivals. One used to be able to call that morning and make a reservation for a campsite the same night. We are not sure if that is still the case so do your own research and call ahead.
Overall, weekends will likely be booked out, weekdays less likely. Some campgrounds might be worth two nights stay like those near rivers, lakes and beaches where one can take a break from the road.
While I've made some updates, please note that this map dates back a few years. Last we checked, the very popular campground at Bulls Island on the Delaware River, north of Labertville has been permanently close (updated on map). Some other campgrounds may have also closed since this map was put together. Call ahead!