Evaluation of supplemental shields at railroad crossings
Subtitle: final report
By: by Rob Edgar.
Contributors: Oregon. Dept. of Transportation. Research Unit.
Publisher: Research Unit, Oregon Dept. of Transportation
Published: 1998
Place of publication: Salem, OR
Language: eng
Number of pages: 31
Subjects: Railroads -- Oregon -- Crossings -- Safety measures.
Notes: "State Research Project #523."

"December 1998."

"Report no. OR-RD-99-17"--P. i.

"Prepared for Rail Section, Oregon Department of Transportation."

Includes bibliographical reference (p. 13).