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A developer has requested permission to build a large building at a location adjacent to the...

A developer has requested permission to build a large building at a location adjacent to the intersection of an undivided six-lane major road and a two-lane minor road. Traffic on the minor road is controlled by a stop sign. The speed limits are 30 and 65 mi/hr on the minor and major roads, respectively. The building is to be located at a distance of 100 ft from the near lane of one of the approaches of the minor road. Determine where the building should be located relative to the centerline of the outside lane of the major road in order to provide adequate sight distance for a driver on the minor road to turn right onto the major road after stopping at the stop line. Design vehicle is a passenger car. Lanes on the both roadways are 12 ft wide. Grade is 4%. AASHTO assumes that the decision point or vertex of the sight triangle is 14.5 ft from the edge of the major road traveled way, as this is a good representation of the location of the driver’s eye of a vehicle on the minor road that is stopped relatively close to the major road.

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