Improving the traffic operations and safety of ramps and speed change lanes : a review of state design practices
Title:
Improving the traffic operations and safety of ramps and speed change lanes : a review of state design practices
Author:
United States. Federal Highway Administration. Environmental Division.
Publication Information:
Washington, D.C. : The Division ; Springfield, Va. : National Technical Information Service [distributor], 1980.
Physical Description:
iii, 40 p. : ill. ; 28 cm.
General Note:
Cover title.
"Interim report."
"September 1980."
"Report no. FHWA-RD-79-127."
Added Corporate Author: