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Engineering, 25.11.2019 23:31 Sashakimora2020

Acontroller is needed for a traffic light at a "t" intersection. there are four separate lights: two lights (le and lw) control the east-west traffic on the main road, one light (ln) controls the north traffic turning left or right onto the main road, and the fourth light (aw) controls the westbound traffic in the left turn lane.

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