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Pages 21-25

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From page 21...
... 21 This chapter presents general considerations for operating signalized, at-grade crossings of exclusive busways. It is closely related to the chapter on traffic control devices.
From page 22...
... motorists may be looking downstream at the parallel roadway signal and may not see the busway signal. The distance between these two signals is the longitudinal separation or the distance separation.
From page 23...
... • The signal cycle does not have sufficient time to allow a leftturn phase and accommodate all of the traffic demands at the intersection; and • Left-turning vehicles queue over the busway because of downstream traffic congestion. If left turns are prohibited, a green through-arrow signal should be used for the through signal indications, particularly for the signal on the left lane.
From page 24...
... An example of a signal phasing for a side-aligned busway intersection is displayed in Figure 6-4. In this example, vehicles are not allowed to store between the intersection of the cross street with the busway and the intersection of the cross street with the parallel roadway.
From page 25...
... While most transit buses are 40 feet long, many busways use articulated buses that are up to 60 feet long. Second, median and side-aligned busway intersections are much wider than traditional intersections.

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