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You are here: Home / Archives for System Modification

System Modification

Superstreets

Posted on October 16, 2015

Introduction Target Market Arterials with Heavy Delays at an Intersection Signalized intersections commonly cause major delays and congestion on roadways due to the time required for each phase. This design can reduce delays by having several phases running at the same time while minor-street through traffic is redirected. Arterial Intersections with Large Left-Turn Volumes Left […]

Ramp Configuration

Posted on October 16, 2015

 

Intersection Turn Lanes

Posted on October 16, 2015

Target Market How Will This Help? Turn lanes at intersections greatly reduce crashes by removing stopped vehicles from through traffic, as shown in Table 1. Research predicts that adding a left-turn lane on one approach of a three-leg stop-controlled intersection will reduce total crashes by 44 percent.1 The developers of the Highway Safety Manual2 used the […]

Innovative Intersections

Posted on October 16, 2015

Description Target Market Studies of median U-turn intersections and corridors have found 20 to 50 percent increases in capacity over traditional intersections and 14 to 18 percent over dual left-turn lanes.3 Implementation Examples Lorem Ipsum Application Principles and Techniques Innovative intersections divert left turns away from the main intersection, which reduces intersection congestion and simplifies […]

Collector-Distributor Roads

Posted on October 16, 2015

 

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