DR. YUWEI LI

1
???????????The Vehicle-Processing Capacity of
Bus Stops

• ??? ??
• DR. YUWEI LI
• (Joint work with Weihua Gu and Michael Cassidy)
• (Formerly)
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• DEPUTY DIRECTOR, VOLVO CENTER
• INSTITUTE OF TRANSPORTATION STUDIES
• UNIVERSITY OF CALIFORNIA AT BERKELEY

2
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3
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4
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• ??????(???) 900 ?/(????)
• ??????(???) 400?/(????)
• ??????Q3600 n/t
• ?? n??????? t ??????(?)
• ?n1, t60, ? Q60?/(????)
• gt??????????????

5
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• T(????)
• Tm (????)Tj (????)Ts (????)
• ???????? 45-90?, TsT/3
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6
??????,?????????????
??? ???
lt120?/(??) gt120?/(??)
? ? ? lt600 ?/(????) Santiago Jakarta Quito Lima
? ? ? gt600 ?/(????) London Paris San Paulo Bangkok

• Source Gibson, Baeza, Willumsen, 1989
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7
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8
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9
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tc clearance time td dwell time
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??? () Za
1.0 2.330
2.5 1.960
5.0 1.645
7.5 1.440
10.0 1.280
15.0 1.040
20.0 0.840
25.0 0.675
30.0 0.525
50.0 0.000
Source Highway Capacity Manual (2000), Exhibit
27-11
10
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???????
??. ??, ??????
1 100 1.00
2 85 1.85
3 60 2.45
4 20 2.65
5 5 2.70
Source Highway Capacity Manual (2000), Exhibit
27-12
11
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12
?????FIFO????????

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• ????,FIFO (????), ??????????
• ??????????? (Cv0.6)
• ????1. ???? 2. ????

??? ??? ??? ??? ???
?? 15 30 45 60 100
1 100 100 100 100 100
2 202 131 100 80 52
3 179 109 79 66 48
4 156 96 74 60 45
5 140 86 67 58 44
6 129 80 63 54 42
13
?????FIFO????????
???????????????? (???15)
14
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source Transit Capacity and Quality of Service
Manual, 2nd edition
15
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16
???????????
Source CET Technical Bulletin nbr. 9, 1978
17
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18
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• ????? 300?/??
• ?????? ??? ?24????13?? (??19??/??)
• ??????? ?400???345?
• ????3???
• ?????180???
• ??
• ????? 450?/??
• ????? (?????)28??/??

19
????????
20
???????????????

• ?????????? Utilization of bus stop capacity
• ??????? Mitigation of passenger boarding chaos
• ???????? Intermittent bus priority lane
• ?????? Intersection Signal preemption/priority
• ?????? Bunching control
• ????????,?????zero-waiting transfer and pooling
  of bus capacity