TWLTL

AcronymDefinition
TWLTLTwo-Way Left Turn Lane (median treatment on roadways that allows left turns from both directions)
References in periodicals archive ?
Safer than TWLTL in six-lane sections but depends on number of signals/mile, driveways/mile, ADT, and approaches/mile.
Mukherjee, D.; Chatterjee, A.; and Margiotta, R.; Choosing Between a Median and a TWLTL for Suburban Arterials, ITE Journal, July 1993.