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All the strobes I've seen flash about once per second, which seems like it's far below the frequency needed to cause seizures
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Nov 10, 2009 19:11
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There's an intersection near my work, which has several 18 wheelers go through it every day, and it has a stop sign on a somewhat steep downhill grade. I wish I could take a picture of just how ridiculously bumpy the pavement is right before the stop sign. It's bumpy.
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Nov 11, 2009 18:31
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What needs to be "fixed"? Most intersections of highways in america look like that and work just fine!
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Nov 16, 2009 01:07
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thelightguy posted:The traffic that's merging always yields to the traffic that is already on the road.
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Nov 23, 2009 20:10
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Calast posted:So here's one I can't believe hasn't been more of a problem: http://maps.google.com/maps?q=adeli...004994&t=h&z=18 The lights finally got installed and there are big signs saying "This traffic light brought to you by the black panthers"
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Nov 28, 2009 00:07
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Calast posted:What gets is that most people that don't know the elusive LTOR is legal, at the intersection of two one way streets.
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Nov 28, 2009 10:19
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Pagan posted:Another thing that people do, without realizing it's illegal (at least, it's illegal in Texas) is turn left from a minor road, onto a major road, and stop in the center lane, THEN try and merge with the traffic. In TX, that's illegal; when you turn, you have to merge into traffic right away, you can't stop or use the center turning lane as an acceleration lane.
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Nov 29, 2009 02:36
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The 3F rule posted:streets that terminate in a dead end, only to resume with the same name a couple of blocks away across undeveloped land
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Dec 21, 2009 16:59
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Longer yellow phases would be nice, not that any cities would actually follow them...
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Dec 22, 2009 18:50
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Acela is the fastest train in the US, but calling it "high speed" is laughable when you look at european trains.
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Jan 12, 2010 18:58
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Zero One posted:
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Jan 19, 2010 05:16
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238 should just have been signed CA 238 SOUTH TO EAST 580 in one direction and CA 238 NORTH TO NORTH 880 in the other direction
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Jan 22, 2010 03:35
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 My favorite signage
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Jan 22, 2010 07:33
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Mandalay posted:the only CA route surface street to bisect the city.  you forget san pablo ave (aka route 123)
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Jan 22, 2010 13:03
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Cichlidae posted:Cost more to blow up that bridge than it did to build it. Edit: I just looked it up and in real terms it cost twice as much to build as to demolish. Socket Ryanist fucked around with this message at 13:25 on Feb 4, 2010 |
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Feb 4, 2010 13:23
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Yeah $3 million in 1940 dollars is over $40 million in 2006 dollars
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Feb 4, 2010 19:57
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Cichlidae posted:expressway 
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Mar 8, 2010 14:30
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Southampton, NY has an even worse one http://maps.google.com/maps?f=q&sou....00142&t=h&z=20 It's not quite as narrow, but it doesn't help that there are blind corners before AND after the bridge. Head-on collision waiting to happen. Funny story: People got into the habit of honking their horns before they hit the blind corner. A guy who owns a house right there puts up a sign saying "DONT HONK", because, you know, his peace and quiet is more important than people not getting killed or maimed. After a few times of the city taking it down and him putting it back up, they threatened him with some huge fines, so he finally gave up.
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Mar 10, 2010 12:07
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The official alignment of RI 114 in Pawtucket, RI results in a short stretch of Broadway (a one-way street) carrying both northbound and southbound 114. A highway in a wrong-way multiplex with itself!
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Mar 13, 2010 18:57
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Lady Galaga posted:What are the point of Crescents in the form of roads?
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Mar 22, 2010 06:56
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Not nearly as useless as New York's tiny green signs with a billion white numbers on them. Click here for the full 972x1191 image.
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Apr 8, 2010 21:55
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Cichlidae posted:I've never heard the term "pony," but I assume you mean speed bump.
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Apr 12, 2010 12:53
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I'm pretty sure only one side of a stepladder is meant to be stepped upon
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Apr 28, 2010 01:25
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MrBling posted:I made a little picture to demonstrate what it is, if some of you aren't sure exactly what I'm talking about. It is basically a 3 lane road where the middle lane alternates between the two sides.
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May 20, 2010 09:06
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They should just mount it sideways
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Jun 10, 2010 09:08
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my only guess would be that the one on the left is too close to another intersection (that little side road there)
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Jun 19, 2010 14:03
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What are the pros and cons of carpool lanes with an uncrossable barrier vs carpool lanes you can move into and out of freely? Could carpool lanes with barrier be improved by adding periodic passing lanes? How would you fix LA's freeways? Specifically the 405? As it is right now it tends to be bumper to bumper sub-10 mph during rush hour. Could traffic flow be improved by removing exits? The 405 was designed as a bypass around downtown LA, but population centers sprang up along it so it quickly became more congested than the 101 and the 5 that it bypasses.
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Jul 29, 2010 11:42
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Cichlidae posted:A barrier allows them to be used for counter-flow operations, since it removes the risk of a head-on accident. Other than that, though, it's just a big pain since it complicates law enforcement, makes it harder to pull over if someone breaks down, slows down traffic on both sides, and takes away options for construction staging. Cichlidae posted:Bypass routes like 405 should be primarily for high speed, point-to-point travel, and interchanges should be sparse. One every two miles is plenty. Encouraging development around a route like that, just like letting people stick driveways every 50 feet on an arterial, just slows traffic, increases accidents, and reduces capacity.
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Jul 29, 2010 13:04
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Ah I was looking for this picture but I finally found a copy of it on my disk. Does anything mention what you're supposed to do in situations like this? If you look at the geography of long island it's rather obvious and inevitable that going west on any road will end you up in the city of New York It seems like it would be more useful to put the destination of 495 as "Midtown Manhattan" and the destination of the NSP as "Brooklyn" (even though it doesn't quite reach brooklyn if I remember my NYC geography)
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Aug 5, 2010 11:06
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Phanatic posted:The thing that bugs the hell out of me is our incredible reliance on stop signs. There are so damned many intersections where one flow of traffic should just have right-of-way and intersecting traffic should get a yield sign, it's ridiculous. Edit: the city of berkeley has a couple of traffic circles that would be roundabouts except there are ALSO stop signs! Not all of them are four-way stops eitherr Socket Ryanist fucked around with this message at 06:25 on Aug 11, 2010 |
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Aug 11, 2010 06:17
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smackfu posted:What's the deal with the "pointless" traffic lights you see sometimes? Just a screw-up that no one noticed until the project was done?
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Aug 12, 2010 17:19
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Choadmaster posted:Doesn't heavier traffic by nature regulate it's own speed? The more congested it gets the slower people are forced to go anyway.
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Oct 1, 2010 16:20
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Cars yield to pedestrians? Just like pedestrian crossings at normal non-signaled intersections.
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Oct 15, 2010 18:52
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Someone played too much animal crossing
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Oct 26, 2010 21:02
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I live near this intersection and it's usually pretty fine except between classes when the pedestrian traffic across this single intersection backs cars up down hearst avenue all the way to oxford. (the green building to the north is the computer science building and the math & physics buildings are to the south)
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Nov 10, 2010 07:01
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People watch for bikers in any city where there are enough of them. I know you can't drive in berkeley or san francisco without watching for bikers.
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Dec 6, 2010 08:09
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Er, doesn't a SPUI have to have three phases? Two pairs of left turns and then straight...
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Dec 11, 2010 17:41
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With a SPUI the surface-to-freeway left turns are at such an angle that I don't see how it would be at all possible to make the left without a dedicated phase
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Dec 11, 2010 20:40
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HOV lanes should have periodic passing lanes (or there should just be two HOV lanes in general)
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Feb 14, 2011 07:36
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So I notice in california signal heads are almost always hanging from poles, rather than cables. Is this an earthquake safety thing?
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Mar 2, 2011 09:49
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