Minimum retroreflectivity requirements for traffic signs

Title:

Author:

Paniati, J. F.

Personal Author:

Publication Information:

McLean, Va. : Federal Highway Administration ; [Springfield, Va. : Available through the National Technical Information Service, 1993]

Physical Description:

21 p. ; 28 cm.

General Note:

"FHWA-RD-93-152"--Technical rept. documentation page.

Cover title.

"October 1993."

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