AASHO highway definitions. 

 - Washington,  American Association of State Highway Officials,  1968. 
 - vi, 29 p.  27 cm. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE<br/>Roads--Terminology.
<br/><br/><label>Dewey Class. No.: </label>625.7  / SPE