Sudoc Stem: TD 2.115 - Blacklight Search Results

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1. Traffic speed trends.

Corporate/Agency Authors:: Public Roads Bureau and Transportation Dept.
Publisher:: Public Roads Bureau
Date:: Apr. 1968
SuDoc number:: TD 2.115:968

2. Traffic speed trends.

Corporate/Agency Authors:: Public Roads Bureau and Transportation Dept.
Publisher:: Public Roads Bureau
Date:: Oct. 1967
SuDoc number:: TD 2.115:967