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Started By
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CALTRANS 'zipper' barrier transfer machine: Rush hour drivers get extra lane
Posted on 4/2/15 at 2:31 pm
Posted on 4/2/15 at 2:31 pm
7
Posted on 4/2/15 at 2:33 pm to Street Hawk
thought this was going to be some new kind of underwear
Posted on 4/2/15 at 2:33 pm to Street Hawk
BR getting a loop?
Posted on 4/2/15 at 2:39 pm to theunknownknight
This would work in BR, if the divided sections of 10 had a shared lane between them.
Actually, this is a pretty logical solution for the problem BTR faces.
Actually, this is a pretty logical solution for the problem BTR faces.
Posted on 4/2/15 at 2:41 pm to Street Hawk
Posted on 4/2/15 at 2:42 pm to Street Hawk
That was pretty cool.
Posted on 4/2/15 at 2:43 pm to TigerRob20
This works by removing 1 lane (light traffic) from a multi-lane highway and adding it to the lane in the opposite direction (heavy traffic)
ie: 3-1=2
4/2 lanes
Why it won't fix BR:
1-1 = 0
2/0 lanes
ie: 3-1=2
4/2 lanes
Why it won't fix BR:
1-1 = 0
2/0 lanes
This post was edited on 4/2/15 at 2:43 pm
Posted on 4/2/15 at 2:45 pm to colorchangintiger
Ms. Hunt has some big ol titats!
Posted on 4/2/15 at 2:45 pm to Street Hawk
Ask folks in Honolulu how the zipper is working out for them...
Posted on 4/2/15 at 2:51 pm to Street Hawk
Have had the same thing on I30 east of downtown Dallas for as long as I can remember.
Posted on 4/2/15 at 2:59 pm to Street Hawk
Honolulu has had this for decades.
Posted on 4/2/15 at 3:15 pm to colorchangintiger
That barrier doesn't look like it would stop much
Posted on 4/2/15 at 3:21 pm to Croacka
CO is considering that for I70 traffic to/from the mountains on the weekends.
Posted on 4/2/15 at 4:06 pm to Croacka
I think those dividers are impact rated about the same as K-rails or Jersey barriers. Not sure about vehicles climbing over them...
The major problem is the cost. The zipper barriers are more expensive that typical concrete barriers and the transfer vehicle costs a fortune. They tried this on the Golden Gate Bridge back in the mid-90s. Not sure if it was ever implemented. (Five or six travel lanes, with only pylons as a divider. There were many severe crossover collisions.)
The major problem is the cost. The zipper barriers are more expensive that typical concrete barriers and the transfer vehicle costs a fortune. They tried this on the Golden Gate Bridge back in the mid-90s. Not sure if it was ever implemented. (Five or six travel lanes, with only pylons as a divider. There were many severe crossover collisions.)
Posted on 4/2/15 at 4:15 pm to The Sad Banana
quote:
That was pretty cool.
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