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Journal of Advanced Transportation
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Journal of Advanced Transportation
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2021
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Article
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Tab 2
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Research Article
Research on the Prepositive Distance of Crosswalk Warning Markings for Unsignalized Road Section
Table 2
The adjusted value of the prepositive distance.
Design speeds (km/h)
L
1
(m)
30
20–50
40
20–90
50
20–120