‡a
Eval. of data from test application of optical speed bars to highway work zones, 2004:
‡b
t.p. (prep. by Eric Meyer, Ph. D., Research Associate, University of Kansas)
‡a
evalofdatafromtestapplicationofopticalspeedbarstohighwayworkzones
‡A
Eval. of data from test application of optical speed bars to highway work zones, 2004:
‡9
1