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Old 08-20-07, 11:36 AM   #1
fordfasterr
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Slowing down traffic, blocking bike lane to do it !

watch this video:

http://youtube.com/watch?v=K1umvRline0

They have disabled the comments on this one... I wonder if anyone knows how to copy the video, re-upload it and then enable comments so we can speak our minds about it ...


They made these oval shaped concrete islands, placed them on either side of the road, and use it to slow traffic... the problem is that these things ARE IN THE BIKE LANES !


I would sue the city, or require them to re-draw the bike lanes around them, essentially merging both traffic lanes into 1 ... oops !!!!!
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Old 08-20-07, 11:42 AM   #2
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Here are screen-shots from the video:











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Old 08-20-07, 11:46 AM   #3
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what the?! that's just stupid.
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Old 08-20-07, 11:48 AM   #4
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In the last pic, you can see that the car has moved over the center double yellow lines in order to give (HIMSELF) some space from the barrier (albeit, still under construction) ..

Now, add a cyclist between the divider, and the car ( a small compact car at that ... ) but replace it with an SUV ...

cyclist = dead.
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Old 08-20-07, 11:50 AM   #5
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so, according to their logic the only way to slow down traffic is by making the road more dangerous. tax dollars well spent!
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Old 08-20-07, 11:56 AM   #6
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The city of Durham, NC recently added obstructions like these to an important bike route as a "traffic calming" measure without consulting the city's bike/ped committee, who are now upset about it because the cyclists now have to take the lane at each one of these, and face increased crash risks, particularly at night.

A more appropriate design for a street where motorist-cyclist overtaking is a concern would be 25 mph speed humps.
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Old 08-20-07, 12:08 PM   #7
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Originally Posted by fordfasterr View Post
Now, add a cyclist between the divider, and the car ( a small compact car at that ... ) but replace it with an SUV ...

cyclist = dead.
As long as the cyclist takes the lane properly, narrow lanes on a 25 mph street are not a big deal. Drivers follow the cyclist and pass when it's safe to do so. On downtown streets with slow traffic and lots of pedestrian/parking/junction activity I prefer to ride in the center of the lane anyway.

The problem with these bulbouts on a suburban through road is that the cyclist feels social pressure (read: potential harassment) to move to the right between the bulbouts to allow traffic to pass, and then they must move back into the lane for each one. This places an undesirable burden on the cyclist and creates a hazard at each bulbout if the cyclist doesn't merge left properly or in time; it would be better for the street to be a consistent width.

Once a cyclist crashes into one of these, the city will be pressured to remove them or reflectorize them. reflectorizing all of them will make it easier for speeders to avoid them at night, and presumably the majority local drivers will get used to them, so I wonder how long the traffic calming effect will last.
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Old 08-20-07, 12:12 PM   #8
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The woman who is "for them" in the video complains that her SUV is so big that she might have trouble getting around them safely ... lol
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Old 08-20-07, 04:08 PM   #9
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Miserably poor and unimaginative design. All they had to do was to leave a cut-through for bikes, tho' I prefer speed cushions with a gap between the kerb and the cushion.
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Old 08-20-07, 04:17 PM   #10
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Quote:
Originally Posted by sggoodri View Post
The city of Durham, NC recently added obstructions like these to an important bike route as a "traffic calming" measure without consulting the city's bike/ped committee, who are now upset about it because the cyclists now have to take the lane at each one of these, and face increased crash risks, particularly at night.

A more appropriate design for a street where motorist-cyclist overtaking is a concern would be 25 mph speed humps.
Obstructions like that mean the cyclist should take the lane through the entire stretch of road. I certainly would.
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Old 08-20-07, 04:58 PM   #11
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Similar chicanes were installed on the street by a local playground, it certainly slows traffic down and is beneficial.

When I'm biking past I slow down too; take a look around and watch out for cars. Ya gotta take care, easy enough.
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Old 08-20-07, 05:08 PM   #12
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Miserably poor and unimaginative design. All they had to do was to leave a cut-through for bikes, tho' I prefer speed cushions with a gap between the kerb and the cushion.
Like this?

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Old 08-20-07, 05:55 PM   #13
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Originally Posted by Pete Fagerlin View Post
It would seem that many cyclists lack the skills necessary to shoot the gap between the island and the curb and/or are too fearful to just take the lane.
I would not be afraid to take the lane, but I would not be dumb enough to ride the gutter (what you call the gap) !!!
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Old 08-20-07, 06:03 PM   #14
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I have no problem with taking the lane, but I ride a fixed gear, and it looks like my pedals would hit the curb if I tried to ride through the gap. IMO, these obstacles, however well intentioned are dangerous to some users of the road, especially at night. The one that chocula posted is a much better design that accomidates all users of the road.
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Old 08-20-07, 06:10 PM   #15
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Why do you think shooting the gap is dumb?
Where does all the trash on the road typically wind up? In the gutter, in that gap. Shooting the gap limits maneuverability for a short interval, and woudl, I think, increase the chances of flats.

Now the lady in the video says drivers are going slower. What about the influence she is having, standing out in the open with a radar gun? From personal experience, I can tell you that standing at teh end of your driveway with a blow drier will make drivers slow down.
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Old 08-20-07, 06:55 PM   #16
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so, according to their logic the only way to slow down traffic is by making the road more dangerous.
You hit the nail on the head. This set-up seems like a real hazard to my eyes.

... Brad
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Old 08-20-07, 07:00 PM   #17
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Are those even bike lanes? They look like gutters/shoulders, where we shouldn't be anyway. But I agree, bump outs are generally bad for cyclists.
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Old 08-20-07, 07:16 PM   #18
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The kind of great new idea that makes lawyers rich...
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Old 08-20-07, 07:38 PM   #19
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come on, daily commute, even jhon forester condones and endorses the use of shoulders as well as bike lanes to keep to the side of traffic - vehicularily, when the shoulder or bike lane is safe for use and not conflicting with the intended destination of the bicyclist -

not with the bulbouts like those pictured in the above thread, though!
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Old 08-20-07, 07:49 PM   #20
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Build some ramps on either side and just ride over it.
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Old 08-20-07, 10:17 PM   #21
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I don't think it's a big deal at all. In fact, it can be fun to shoot the gap, especially at speed.

Am I the only one reading this thread that's ridden in and around these traffic calming features?
They've got some on Willow in Menlo Park, Ca, but they left a 3' bike lane between the curb and traffic. I have no idea what they were trying to do.
The ones in the video are not far enough into the lane to make me slow down, but then I know where the right side of my car is in the lane.
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Old 08-20-07, 10:36 PM   #22
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They shouldn't call them "traffic calming measures". These sorts of things piss me off when I'm in my bike or car. They're traffic irritants to people who know how to drive properly, and they're in the way when on the bike. Speed bumps are just as effective at slowing traffic down without the pointless obstruction.

I wonder how many accidents these stupid things are going to cause?
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Old 08-21-07, 03:41 AM   #23
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syn0n, these bump-outs have at least one advantage over speed bumps--most police officers and fire fighters oppose speed bumps because they slow down emergency vehicles.
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Old 08-21-07, 07:06 AM   #24
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I don't think it's a big deal at all. In fact, it can be fun to shoot the gap, especially at speed.

Am I the only one reading this thread that's ridden in and around these traffic calming features?
They have these in my area, and I have had no real problem with them. I do roll through the gutter area most of the time if there is a car behind me.
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Old 08-21-07, 07:29 AM   #25
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Here is the problem with those gutters trapped between the island and the curb...


THEY FILL UP WITH TRASH - the street sweepers cannot reach them ! So they are eternally filled with leaves and other junk ...


What happens if there is a drain grate in there and its covered with leaves and trash .... you ride over it and then go head first into the curb !

I'm going to go buy some denture glue right now ... just so I can mail it to the people who ride in " the gutters " ...
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