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  1. #1
    山馬鹿 Spire's Avatar
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    Part 2 -- Bike Lanes at Automobile Intersections.

    Automobile Intersections can be one of the most dangerous situations for cyclists. The vast vast majority of car-bike collisions occur at intersections. The next part will deal with how to deal with intersections in an ideal manner. This one will talk about why bike paths at intersections are dangerous.

    Intersections have multiple lanes for the multiple destinations of automobiles. Left, right and straight ahead. Having a bike lane entering the intersection on the right hand side of poses a dangerous situation. A driver who wishes to make a right hand turn will have to cut right across the bike path. He will do this as he is looking left for cross traffic and is not looking for a cyclist. However if the bike lane disappeared about 20-50 meters before the interesection then the automobile would be forced to merge in with the bike lane first, then make the right hand turn, which would be a much safer course of action.

    In addition, having the cyclist stay on the right for all cases will delay him because if he wishes to make a left hand turn. He would have cross the intersection and then wait for the change of the lights to cross again. This is needless waiting and another reason why simply widening the outer lane by the width of a bike path is safer for cyclists than to add one to the side of the road.
    http://www.cyclistsroadmap.com/eng/ - Cyclists' road map. Checkout which roads are good for cycling and rate roads in your area.

  2. #2
    WallaWalla! Rotifer's Avatar
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    Interesting point, the bike lanes in my little town end about 50 feet prior to the intersection. I'd never considered that this might actually be safer.
    Jeff

  3. #3
    feros ferio John E's Avatar
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    With a few misguided exceptions, bicycle lane lines in San Diego County either end (or at least become dotted) 100-200 feet before the intersection or continue to the LEFT (i.e., correct) side of any dedicated right-turn-only lanes. Fortunately, very few lanes lull bicyclists into setting themselves up for a right-hook, but many motorists and cyclists still evidently do not understand the concept of appropriate lane selection and positioning.
    "Early to bed, early to rise. Work like hell, and advertise." -- George Stahlman
    Capo [dschaw'-poe]: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger, S/N 42624
    Peugeot: 1970 UO-8, S/N 0010468
    Bianchi: 1981 Campione d'Italia, S/N 1.M9914
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  4. #4
    Every lane is a bike lane Chris L's Avatar
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    Personally I think the safest thing to do at intersections is to just take the lane. As far as bike lanes/paths at intersections go, personally I'm glad they generally end just before the intersection. I don't want anyone expecting me to stay in the bike lane if I'm making a right turn (or a left turn for those in the US).
    "I am never going to flirt with idleness again" - Roy Keane
    "We invite everyone to question the entire culture we take for granted." - Manic Street Preachers.
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