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Permissive/Protected Left Turn Phasing in Detroit and Grand Rapids | FHWA
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Figure 1 from an evaluation of five-section protected/permitted leftSketchup fully Arrow turn green left protected turnsProtected traffic partially turns turn signal pie north south example left.
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Figure 1 from drivers' understanding of protected-permitted left-turn .
Troy Pavlek: Protected Left Turn Phases
Right Turn Traffic Light Signal
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Irvine to install new traffic signals to cut down left-turn wait times
Fully-Protected Left Turns | City of Surrey
Figure 1 from AN EVALUATION OF FIVE-SECTION PROTECTED/PERMITTED LEFT