AASHTO guidelines for traffic data programs / 
 American Association of State Highway and Transportation Officials guidelines for traffic data programs  Guidelines for traffic data programs 
[Anita Vandervalk-Ostrander and others] 
 - [2nd ed.] 
 - Washington, D.C. :  American Association of State Highway and Transportation Officials,  2009 
 - 1 online resource (1 volume (various pagings)) :  illustrations 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9781615830060 1615830065 9781560514367 1560514361 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Traffic monitoring--Data processing<br/>Traffic monitoring--Technological innovations<br/>Traffic surveys--Data processing<br/>Traffic estimation--Data processing