Systemwide impact of safety and traffic operations design d-ecisions for 3R projects / Douglas W. Harwood...[et al.] 

 - Washington, D.C. : TRB 
 - [143]p. 
 - Report ; 486 / Transportation Research Board .
<br/><br/> [Este folleto incluye 1 CD cuyo titulo es: RSRAP Software a-nd supplementary material].