Cite
HARVARD Citation
Vignali, V. et al. (2019). Effects of median refuge island and flashing vertical sign on conspicuity and safety of unsignalized crosswalks. Transportation research. pp. 427-439. [Online].
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Vignali, V. et al. (2019). Effects of median refuge island and flashing vertical sign on conspicuity and safety of unsignalized crosswalks. Transportation research. pp. 427-439. [Online].