An evaluation of modifications to the advance warning sign at passive highway-railroad grade crossings /

Act, there is quite a potential for an increase in rail

Bibliographic Details

Main Author:	Keller, Bridgette DeWees
Format:	Thesis eBook
Language:	English
Published:	[Place of publication not identified] : [publisher not identified] ; 1995.
Subjects:	Major civil engineering.
Online Access:	Link to OAKTrust copy