LEADER 00599nam  2200157z- 450 
001 9910712787403321
035   $a(CKB)5470000002496295
035   $a(EXLCZ)995470000002496295
100   $a20230509c2019uuuu  -u-            -
101 0 $aeng
200 10$aSafety evaluation of pedestrian countdown signals
210   $aMcLean, VA$cU.S. Department. of Transportation, Federal Highway Administration, Research, Development, and Technology, Turner-Fairbank Highway Research Center
906   $aBOOK
912   $a9910712787403321
996   $aSafety evaluation of pedestrian countdown signals$93307294
997   $aUNINA