Effective treatments of over and undercrossings for use by bicyclists, pedestrians, and handicapped.
|Other Authors:||De Leuw, Charles E.|
Washington : Federal Highway Administration Offices of Research & Development Environmental Division, 1981.
Spine title: Treatments of over/undercrossings.
Prepared by C. De Leuw, Jr. et al. ; De Leuw, Cather & Company.
Prepared for U.S. Federal Highway Administration Environmental Division ; DOT-FH-11-9247.
Distributed by NTIS.
viii, 217 p. :
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