Traffic conflict techniques for safety and operations : observers manual
Title:
Traffic conflict techniques for safety and operations : observers manual
Author:
Parker, Martin R.
Personal Author:
Publication Information:
McLean, Va. : Federal Highway Administration ; [Springfield, Va. : Available through the National Technical Information Service, 1989]
Physical Description:
iv, 36 p. : ill. ; 28 cm.
General Note:
Cover title.
"January 1989."
Added Author:
Added Corporate Author: