Roadworks on trunk and principal roads : the standars of singning / A.D. McLean.
By: McLean, A.D.
Series: TRRL Suplementary Report; 372.Publisher: Crowthorne, Berkshire : Transport and Road Research Laboratory, 1974Description: 11 p. : ill. ; 30 cm.Subject(s): Roads -- Design and construction | Roads -- Safety measures | Traffic signs and signalsNo physical items for this record
Includes bibliographical references.
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