Evaluation of the School Street four-quadrant gate/in-cab signaling grade crossing system : safety of highway railroad grade crossings /

Bibliographic Details
Main Author:	Hellman, Adrian D.
Corporate Author:	United States. Federal Railroad Administration
Other Authors:	Carroll, Anya A., Chappell, Debra M.
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : U.S. Dept. of Transportation, Federal Railroad Administration, Office of Research and Development, [2007]
Subjects:	Highway-railroad grade crossings > Connecticut > Groton > Safety measures. Railroad crossings > Connecticut > Groton > Safety measures. Traffic signs and signals > Connecticut > Groton.
Online Access:	https://purl.fdlp.gov/GPO/gpo23425

Available Online