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the intersection i am refering to has a east bound dual left turn that is a protected only turn. it is one ofthe inside lefts of a diamond interchange cofiguration there is good visibility of opposing traffic. this movement is quite heavy and i am searching for ways to increase it effeciency and...

lagging left turns are very helpful in maintaining bidirectional progrssion in coordinated systems.however they become quite restrictive towards the use of protected / permissive 5 section left turns.if there is a permisive (protected or not) turn opposite the lagging turn, there is a danger of...

i'm wanting infomation on any study or use of dual protected / permissive left turns at traffic signals

if your intersections are less than 1000', it may be practical to consider using a single controller to manage both intersections. this way you can always maintain full coordination of all movements. the use of double clearance overlaps will be helpful if you don't have adequate storage between...