Vaswani, N. K. (1977). Experiments with a divided highway crossing sign to reduce wrong-way driving : progress report no. 1 (Report No. VHTRC 77-R36). Virginia Transportation Research Council (VTRC). https://rosap.ntl.bts.gov/view/dot/18821
Vaswani, N. K. Experiments with a divided highway crossing sign to reduce wrong-way driving : progress report no. 1. Report no. VHTRC 77-R36. Virginia Transportation Research Council (VTRC), 1977. https://rosap.ntl.bts.gov/view/dot/18821.
Vaswani, N. K Experiments with a divided highway crossing sign to reduce wrong-way driving : progress report no. 1. Virginia Transportation Research Council (VTRC), 1977, Report no. VHTRC 77-R36, ROSA P. https://rosap.ntl.bts.gov/view/dot/18821.
Preliminary data on the use of the divided highway crossing sign indicated it to be effective in reducing wrong-way entries, and additional experimental installations were recommended.
Vaswani, N. K. (1977). Experiments with a divided highway crossing sign to reduce wrong-way driving : progress report no. 1 (Report No. VHTRC 77-R36). Virginia Transportation Research Council (VTRC). https://rosap.ntl.bts.gov/view/dot/18821
Vaswani, N. K. Experiments with a divided highway crossing sign to reduce wrong-way driving : progress report no. 1. Report no. VHTRC 77-R36. Virginia Transportation Research Council (VTRC), 1977. https://rosap.ntl.bts.gov/view/dot/18821.
Vaswani, N. K Experiments with a divided highway crossing sign to reduce wrong-way driving : progress report no. 1. Virginia Transportation Research Council (VTRC), 1977, Report no. VHTRC 77-R36, ROSA P. https://rosap.ntl.bts.gov/view/dot/18821.
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