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Cyclists, using Londons new blue lanes and bike superhighway outnumber motorists

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Cyclists, using Londons new blue lanes and bike superhighway outnumber motorists

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Old 09-13-11, 09:06 AM
  #126  
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Originally Posted by contango
It's pretty hairy around Park Lane, Marble Arch etc because there's a lot of traffic. Cyclists can use the bus lane (where only bikes, motorbikes, buses and taxis are allowed) but when you need to get across the traffic to turn it's still hairy.

Other areas are less hairy because there's less traffic. If you're trying to claim that the blue stripes are less hairy there are a few spots along CS7 that aren't a whole lot of fun too.
Not trying to make any claim, just looking for root causes. You indicated that heavier traffic is one root cause for cycling discomfort. Simple as that.
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Old 09-13-11, 06:26 PM
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Originally Posted by genec
Not trying to make any claim, just looking for root causes. You indicated that heavier traffic is one root cause for cycling discomfort. Simple as that.
Yep, heavy traffic is fine as long as the road is wide enough, and as long as you don't have to change lanes across it. I've cycled along one particular road (the A245 near Cobham in Surrey if you're interested) which has a 60mph limit and is a standard two-lane road with heavy traffic both ways. It's wide enough for cars to pass cyclists as long as everybody is sensible, but no chance of a three-foot rule being followed. Although I don't particularly like the heavy traffic I don't have to do anything other than pick my position in the lane and keep the pedals turning.

Take a road with traffic moving at half the speed, take some of the traffic away, but then require me to shift lanes from the left side of the left lane to the middle of the right lane (especially if there are three or more lanes in all) and the whole thing becomes much more hairy. It's times like that when there's not a lot of road design that can help, and often the easiest thing to do (where the facility exists) is to stay in the left lane, pull off the road on the approach to a pedestrian crossing, use the crossing to get across the traffic, and then get to where you needed to be in the first place.
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Old 10-24-11, 05:41 PM
  #128  
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Originally Posted by RazrSkutr
V.C. has a place too
Certainly.

There's a time and place for everything, including bikelanes/bikepaths, but these usually aren't in cities with multiple intersections disrupting them.
Sure are. And they've brought down the number of traffic casualties in Copenhagen to, for instance, 5 in 2009. In Denmark as a whole, the number of killed cyclists in 1969 was 166. In 2005 it was 41. Note that Copenhagen and a few other Danish cities are a lot safer today than is the rest of the country, not least the rural areas.

But as I said, I agree that in some places, neither does one need the infrastructure, nor is there room for it.
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Old 10-24-11, 05:49 PM
  #129  
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Originally Posted by John Forester
Side paths around roundabouts are dangerous.
https://www.youtube.com/watch?v=KkPbT...eature=related
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Old 10-24-11, 06:39 PM
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Originally Posted by John Forester
You state, as I do, that safe cycling requires competence, by which I think that you mean, as I do, obeying the rules of the road for drivers of vehicles. I did not write that choosing to use a bikeway means that the cyclist is incompetent. What I do mean, consonant with my definition of competence, is that those who disobey the rules of the road, whether while using or not using a bikeway, are incompetent. I can't help it if your reading skills are somewhat below par.
The Perfect Circular Reasoning. Unless, of course, we are to understand that there can be different rules for cyclists and cars. But that doesn't seem very likely.
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Old 10-24-11, 06:58 PM
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That's an interesting video. What is the provision for when a motorist finds that his exit from the roundabout is blocked?
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Old 10-25-11, 02:42 AM
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Originally Posted by John Forester
That's an interesting video. What is the provision for when a motorist finds that his exit from the roundabout is blocked?
I think you know the answer.
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Old 10-25-11, 04:15 AM
  #133  
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Originally Posted by contango
Yep, heavy traffic is fine as long as the road is wide enough, and as long as you don't have to change lanes across it. I've cycled along one particular road (the A245 near Cobham in Surrey if you're interested) which has a 60mph limit and is a standard two-lane road with heavy traffic both ways. It's wide enough for cars to pass cyclists as long as everybody is sensible, but no chance of a three-foot rule being followed. Although I don't particularly like the heavy traffic I don't have to do anything other than pick my position in the lane and keep the pedals turning.

Take a road with traffic moving at half the speed, take some of the traffic away, but then require me to shift lanes from the left side of the left lane to the middle of the right lane (especially if there are three or more lanes in all) and the whole thing becomes much more hairy. It's times like that when there's not a lot of road design that can help, and often the easiest thing to do (where the facility exists) is to stay in the left lane, pull off the road on the approach to a pedestrian crossing, use the crossing to get across the traffic, and then get to where you needed to be in the first place.
That seems to me to be a perfectly rational approach.
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Old 10-25-11, 09:19 AM
  #134  
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Originally Posted by hagen2456
I think you know the answer.
I don't know. That's why I asked the question. I can't help it if you know so little about traffic engineering that you don't understand the significance of the question. So, I ask the question in somewhat different form. How many vehicles can be stored in the exit lane before the circulation of the roundabout is affected?
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Old 10-25-11, 03:51 PM
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Originally Posted by John Forester
I don't know. That's why I asked the question. I can't help it if you know so little about traffic engineering that you don't understand the significance of the question. So, I ask the question in somewhat different form. How many vehicles can be stored in the exit lane before the circulation of the roundabout is affected?
Ah yes, I'm sorry, I misunderstood your question. I can't say that I have an answer for you question other than that apparently it works. But IF the bike track there is densely trafficed during rush hours, then it's a quite interesting question, I must say
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