http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Guidelines for left-turn bays at unsignalized access locations on arterial roadways
advancing volume (by itself, the probability of a left-
as the criteria in developing the turn lane guidelines. With
aspects of the guidelines. A probability of 0.01 was
conflict analysis showed that guidelines would result in a
congestion. A major goal within access management is to
due to left-turning vehicles on major roadways.
in existence today are primarily focused on how the left-turn
investigated the probability of a left-turning vehicle in the
It has long been recognized that effective access
limit the speed differential between turning and through
management along arterial streets can alleviate traffic
maneuver affects the left-turning vehicle. Harmelink
probability of 0.01 or less for all but the highest through
selected as the maximum likelihood of a conflict. The
simulated the impact of left turning vehicles on the through
the curves developed, a conflict analysis assessed the safety
The development of the left-turn lane guidelines and warrants
through lane, however, he did not couple that with the
through traffic is impacted). The purpose of this thesis was
through vehicles. The TEXAS Model for Intersection Traffic
to develop left-turn lane guidelines based on the delay to
traffic at various speeds, and advancing, opposing and left-
turn volumes. The minimum delay to through vehicles was used
turning vehicle in the through lane does not show how the
vehicles. Left-turn bays reduce the speed differential