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re: Widening Highways Never Fixes Traffic. But Darnit, It Did in Texas
Posted on 4/25/16 at 1:58 pm to Street Hawk
Posted on 4/25/16 at 1:58 pm to Street Hawk
That was at a choke point where 3 lanes skinny down to 2 lanes. Why it was designed this way in the first place is a question for the Aggie Engineers. But even Txdot says it will probably clog back up after people discover it is a faster route.
LINK
quote:
The Texas Department of Transportation plans to turn the inside shoulders of State Highway 161 between State Highways 183 and 114 into a third lane of traffic in each direction during rush hour. It’s going to take about a year to restripe the roads and put signs in place, but officials believe it will alleviate rush-hour headaches. The problem is that three lanes of traffic in both directions narrow to two lanes for this stretch. That causes choke points that slow down drivers.
LINK
1
Posted on 4/25/16 at 2:09 pm to Zappas Stache
The rule shouldn't be taken to mean that it never improves traffic to build additional lanes. It just means that building an additional lane won't always solve traffic problems.
If there is too much volume for an existing roadway, I think it is beyond question that an additional lane will improve traffic flow. But if there are sufficient lanes to handle the volume, an additional lane may not improve traffic flow.
It really comes down to whether Uncle Bob is doing 45 in the left lane during rush hour. You can have the most efficient design, but if people aren't using it in an efficient way then it wont help a bit.
If there is too much volume for an existing roadway, I think it is beyond question that an additional lane will improve traffic flow. But if there are sufficient lanes to handle the volume, an additional lane may not improve traffic flow.
It really comes down to whether Uncle Bob is doing 45 in the left lane during rush hour. You can have the most efficient design, but if people aren't using it in an efficient way then it wont help a bit.
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