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Two-Way Left Turn Lanes (TWLTL).

Louise Turgeon
Ministere des transports du Quebec
Two-Way Left Turn Lanes (TWLTL). was posted on December 15th, 2011 at 3:06 PM EST
regarding Chapter 17: Urban Street Segments

Hello,

I would like to know if the HCM provides a method to justify/accept/refuse Two-Way Left Turn Lanes (TWLTL).

This TWLTL alternative would be most likely measured against adding an extra lane(s).

It would be good to know for segments involving signalized intersections and segments with unsignalized intersections.

I know that there are brief descriptions of TWLTLs in chapters 17, 18 and 19 but I would be interested in a methodology that would be detailed.

(Edited December 15th, 2011 at 3:10 PM EST)

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