A minor two-lane road (lane width = 3.4 m) intersects a four-lane divided highway (lane width = 3.5 m) at 90° forming a T-intersection. The median width on the major road is 1.75 m. The design speeds on the major and minor roads are 90 and 60 km/h, respectively. (a) Determine the minimum sight distance required for a single-unit truck on the minor road to depart from a stopped position and turn left onto the major road. (b) Determine the sight distance required by the minor-road a single-unit truck to safely complete a right turn onto the major road.
A minor two-lane road (lane width = 3.4 m) intersects a four-lane divided highway (lane width = 3.5 m) at 90° forming a T-intersection. The median width on the major road is 1.75 m. The design speeds on the major and minor roads are 90 and 60 km/h, respectively. (a) Determine the minimum sight distance required for a single-unit truck on the minor road to depart from a stopped position and turn left onto the major road. (b) Determine the sight distance required by the minor-road a single-unit truck to safely complete a right turn onto the major road.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A minor two-lane road (lane width = 3.4 m) intersects a four-lane divided highway (lane width = 3.5 m) at 90° forming a T-intersection. The median width on the major road is 1.75 m. The design speeds on the major and minor roads are 90 and 60 km/h, respectively.
(a) Determine the minimum sight distance required for a single-unit truck on the minor road to depart from a stopped position and turn left onto the major road.
(b) Determine the sight distance required by the minor-road a single-unit truck to safely complete a right turn onto the major road.
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