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Find los and speed within the ramp influence area and the

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Reference no: EM13560330

Find: LOS and speed within the ramp influence area and the outer freeway lanes (one-ramp is followed by off-ramp)

Given:

6-lane freeway

One-lane on-ramp with FFS of 35 mph

On-lane off-ramp with FFS of 30 mph

Distance between ramps = 1,800 ft

Acceleration lane = 250 ft

Deceleration lane = 250 ft

Rolling terrain

8% trucks, 5% RVs on freeway

5% trucks, 2% RVs on ramps

Freeway flow rate (upstream of on-ramp) = 4,200 veh/hr

On-ramp flow rate = 700 veh/hr

Off-ramp flow rate = 500 veh/hr

PHF = 0.98

Commuter traffic

Reference no: EM13560330

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