Traffic Signs Manual : the design of traffic signs / 
TSO 
 - London :  2003  TSO, 
 - 160[. :  ill. ,Some Col. ;  29cm 
<br/><br/><label>ISBN: </label>0115524800 
<br/><br/><label>Subjects--Topical Terms: </label><br/>traffic signs
<br/><br/><label>Dewey Class. No.: </label>625.79419 TSO