Code of practice : traffic control during research operations on public roads.

Bibliographic Details
Main Author:	Wium, D. J. W.
Corporate Author:	South Africa. National Institute for Road Research
Format:	Book
Language:	English
Published:	Pretoria, South Africa : National Institute for Road Research, 1972.
Series:	CSIR technical manual ; K20.
Subjects:	Traffic engineering > South Africa. Roads > Maintenance and repair.

Description
Physical Description:	12 pages : illustrations, tables ; 28 cm.