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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 2
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Research Article
Traffic Status Evolution Trend Prediction Based on Congestion Propagation Effects under Rainy Weather
Table 2
Evaluation indexes of road congestion level.
Level
I
II
III
IV
Average speed (km/h)
≥45
35∼45
20∼35
≤20
Speed performance indexes
0.86∼1
0.66∼0.85
0.41∼0.65
≤0.40