Highway capacity and level of service / 
Transportation Research Board, Commission on Sociotechnical Systems, National Research Council. 
 - Washington :  National Academy of Sciences,  1979. 
 - iii, 60 p. :  ill. ;  28 cm. 
<br/><br/>
<br/><br/><label>ISBN: </label>0309028442 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Express highways--Congresses.<br/>Traffic flow--Congresses.<br/>Traffic surveys--Congresses.
<br/><br/><label>Dewey Class. No.: </label>380.5/08 s  388.4/131/4  / NAT