Dudek, Conrad L. <br/><br/>
Changeable message sign displays during non-incident, non-roadwork periods / 
consultant: Conrad L. Dudek. 
 - Washington, D.C. :  Transportation Research Board,  2008. 
 - 68 p. :  ill. ;  28 cm. 
 - NCHRP synthesis,  383  0547-5570 ; .
 - Synthesis of highway practice ;  383. .
<br/><br/> "A synthesis of highway practice."  At head of title: National Cooperative Highway Research Program. 
<br/><br/>Includes bibliographical references (p. 50-51). 
<br/><br/>
<br/><br/><label>ISBN: </label>9780309098137 (pbk.) 0309098130 (pbk.) 
<br/><br/><label>LCCN: </label>2008907264 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic traffic controls.<br/>Traffic signs and signals.<br/>Variable message signs.
<br/><br/><label>LC Class. No.: </label>TE228  / .D829 2008 
<br/><br/><label>Dewey Class. No.: </label>0