Lane groups are used during signal design to allocate green time among traffic movements at an intersection. What lane group(s) should be defined for the north-bound approach? Intersection layout is shown in the figure below. All approaches have an exclusive left-turning lane. The right lane is shared between through and right turns. a. There should be two lane groups. The left turn lane is its own lane group (Lane Group #1). The rest lanes belong to Lane Group #2. b. There should be two lane groups. The right-side lane is its own lane group because it's shared (Lane Group #1). The rest lanes belong to Lane Group #2. c. There should be just one lane group, which contains all the lanes from that approach. d. Any of the above.
Lane groups are used during signal design to allocate green time among traffic movements at an intersection. What lane group(s) should be defined for the north-bound approach? Intersection layout is shown in the figure below. All approaches have an exclusive left-turning lane. The right lane is shared between through and right turns. a. There should be two lane groups. The left turn lane is its own lane group (Lane Group #1). The rest lanes belong to Lane Group #2. b. There should be two lane groups. The right-side lane is its own lane group because it's shared (Lane Group #1). The rest lanes belong to Lane Group #2. c. There should be just one lane group, which contains all the lanes from that approach. d. Any of the above.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Lane groups are used during signal design to allocate green time among traffic movements at an intersection. What lane group(s) should be defined for the north-bound approach? Intersection layout is shown in the figure below. All approaches have an exclusive left-turning lane. The right lane is shared between through and right turns.
a.
There should be two lane groups. The left turn lane is its own lane group (Lane Group #1). The rest lanes belong to Lane Group #2.
b.
There should be two lane groups. The right-side lane is its own lane group because it's shared (Lane Group #1). The rest lanes belong to Lane Group #2.
c.
There should be just one lane group, which contains all the lanes from that approach.
d.
Any of the above.
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