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Journal of Advanced Transportation
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Journal of Advanced Transportation
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2020
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Article
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Tab 6
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Research Article
Theoretical Research on Longitudinal Profile Design of Superhighways
Table 6
Maximum slope of superhighways (unit: %).
Design speeds (km/h)
180
160
140
120
100
Maximum slopes (%)
2.00
2.25
2.50
3.00
4.00