cam a22 u 4500 128734000 CHVBK 20200921121816.0 880212s1981 xxu | 00 |eng|d 0-309-03162-1 NCHRP-235 (OCoLC)636369741 (NEBIS)000250096 ETH-BIB ger ETH-BIB ETHICS-ISBD Effectiveness of changeable message displays in advance of high-speed freeway lane closures Fred R. Hanscom ; Bio Technology, Inc., Falls Church, Va Washington 1981 49 p. fig.; tab.; diagr. National Cooperative Highway Research Program report 235 235 (NEBIS)000024409 126414173 AUTOBAHNEN + AUTOSTRASSEN + SCHNELLSTRASSEN (STRASSENBAU) ger (ETHUDK)000030064 ethudk VERKEHRSREGELUNG (VERKEHR UND TRANSPORT) ger (ETHUDK)000032330 ethudk u VERKEHRSREGELUNG (VERKEHR UND TRANSPORT) ger 656.05 nebis E1 u AUTOBAHNEN + AUTOSTRASSEN + SCHNELLSTRASSEN (STRASSENBAU) ger 625.711.3 nebis E1 u TRAFFIC REGULATION (TRANSPORTATION AND TRAFFIC) eng 656.05 nebis E1 u RÉGULATION DE LA CIRCULATION (TRANSPORTS ET TRAFIC) fre 656.05 nebis E1 u HIGHWAYS + MOTORWAYS + EXPRESSWAYS (ROAD ENGINEERING) eng 625.711.3 nebis E1 u AUTOROUTES + ROUTES EXPRESS (CONSTRUCTION ROUTIÈRE) fre 625.711.3 nebis E1 Hanscom Fred R. BK020000 XK020000 XK020000 NEBIS E03 E03 E03VS R-US08: 0235 NEBIS E16 E16 RH P 26966: 235 NEBIS 490 -- National Cooperative Highway Research Program report 235 235 (NEBIS)000024409 126414173 NEBIS 700 1- Hanscom Fred R.