Evaluation of traffic signal displays for protected/ permis-sive left-turn control / Chris L. Brehmer...[et al.] 

 - Washington, D.C. : TRB 
 - [91]p. 
 - Report ; 493 / Transportation Research Board .
<br/><br/> [Este folleto incluye 1CD cuyo titulo es: Supplementary mat-erial working papers].