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Visibility and spacing of lane control signals for freeway traffic management.

APA Citation

Ullman, G. L., Tallamraju, S. S., Trout, N. D. (1994). Visibility and spacing of lane control signals for freeway traffic management. .

Ullman, Gerald L, S. S Tallamraju, and Nada D Trout. Visibility And Spacing of Lane Control Signals for Freeway Traffic Management. , 1994.

Warning: These citations may not always be complete (especially for serials).