Willis Lamm's
Traffic Signal Collection

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  "Dog House" Signal Sequences

Part One

Leader left turn sequence -
overlapping through traffic at beginning of movement.

Light is red.
Protected left turn ending.
Green arrow and green ball.
Turns permitted, not protected.

Trailer left turn sequence -
overlapping through traffic at end of through movement.

Turns permitted, not protected.
Turns and through movements ending.
Green arrow and green ball.
Signal turns red.

Continue to More Dog House Sequences

Continue to the Last of the Marbelites

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