TRB / NCHRP <br/><br/>
Traffic control for freeway maintenance. 

 - [Washington]  1969. 
 - 47 p.  illus.  28 cm. 
 - Synthesis of highway practice ;  1 .
 - NAS-NRC publication 1743. .
 - Publication (National Research Council (U.S.)) ;  no. 1743. .
<br/><br/> "NCHRP project 20-5 FY '68."  "Research sponsored by the American Association of State Highway Officials in cooperation with the Bureau of Public Roads." 
<br/><br/>Bibliography: p. 36-37. 
<br/><br/><label>LCCN: </label>74602322  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads--Maintenance and repair--Safety measures.<br/>Traffic signs and signals.
<br/><br/><label>LC Class. No.: </label>TE228  / .N3 1969 
<br/><br/><label>Dewey Class. No.: </label>625.79  / TRB