RIGHT-TURN-ON-RED LAWS

Normally, a surge of traffic entering a signalized intersection indicates that their signal is green. However today, drivers in all 50 states of the U.S. as well as Washington, DC (although not in New York City) and in Canada are permitted to turn right on red signals after stopping, unless the intersection is marked with a "No turn on red" sign (see history of Right- and Left-Turn-On-Red Laws). Blind people thus cannot rely on the surge of these vehicles to indicate that their signal is green.

Strategies to deal with / adapt for it:

do not use right-turning cars to make any conclusions about the signal -- wait for straight-through traffic.

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