Economic model for the maintenance of traffic signals /

Bibliographic Details
Main Author:	Smith, Thorold G.
Other Authors:	Oppenlander, J. C.
Format:	Book
Language:	English
Published:	Lafayette, Ind. : Purdue University, 1968.
Series:	Technical paper (Joint Highway Research Project (Ind.)) ; no. 4. Joint Highway Research Project (Ind.) (Series) ; no. 68-4.
Subjects:	Traffic signs and signals. Traffic signs and signals > Indiana.

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