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We are modeling a 2-lane arterial with peak 1-way hourly vols in excess of 1200 vph (2200 2-way vol) in Synchro v7 (HCM method) to determine the effects of adding a signal at one or more intersections. Results so far show that when one signal is added, all of the ajacent (<300 m away)...

If you have 2 lanes of traffic on the major and enough traffic on the minor to need 2 lanes you will probably meet the MUTCD signal warrants. 2 lanes moving the same direction from the minor is very tricky due to sight lines (one lane blocks the other) and path overlap issues. I would consider...

I recently researched this issue for &quot;lowboy&quot; trailer problems associated with a raised crosswalk. I found an article written by a masters candidate at the UWVa who did extensive research on the gometry of potential &quot;hangup&quot; situations for different vehicles - one (group) of...