State Highway 121 near Independence Parkway

Plano, TexasMar 23, 20050 Comments

Not a speed trap. Area is high enforcement area for Red Light Running on SH 121. Patrol vehicle, usually marked, but sometimes unmarked grey impala sits on Independence Py south of SH 121. According to the City of Plano, the yellow light on 121 is 5.4 seconds long. At a speed of 60mph, that gives you 474.984 feet to stop. Fully loaded 18 wheelers can make the stop in that distance. If you receive a ticket there for running the red light, its your own fault.

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