Visibility, rail-highway grade crossings, and highway improvement evaluation, 1991.
Contributors: National Research Council (U.S.). Transportation Research Board.
Series: Transportation research record ;; no. 1327; Transportation research record ;; 1327.
Publisher: Transportation Research Board, National Research Council
Published: 1991
Place of publication: Washington, D.C
Language: eng
Number of pages: 88
Subjects: Traffic signs and signals.; Railroads -- Crossings.; Roads -- Visibility.
Notes: Includes bibliographical references.
"A peer-reviewed publication of the Transportation Research Board."