Stripping Out the Left-Turn Conflict

The objective of CFI is to move the left-turn conflict out of the main intersection. In a typical CFI intersection, this is accomplished with a signalized left-turn bay placed several hundred feet before the intersection.

The left turn leg feeds a special CFI leg, which in turn empties into the cross street near the main signalized intersection. The signals at the left-turn bay, CFI crossover, and main intersection are all operated by a single controller and coordinated to provide smooth continuous traffic flow.

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