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1、1 Freight Data for Freight Data for System Performance MeasurementSystem Performance Measurement North American Freight Flows ConferenceNorth American Freight Flows Conference Todd TregoTodd Trego American Transportation Research Institute (ATRI)American Transportation Research Institute (ATRI) Sept
2、ember 17, 2009September 17, 2009 2 Freight Performance Measures Freight Performance Measures BackgroundBackground HistoryHistory DataData UsesUses 3 System Performance: InterstateSystem Performance: Interstate 4 System Performance: Urban CongestionSystem Performance: Urban Congestion 5 System Perfor
3、mance: Urban CongestionSystem Performance: Urban Congestion Mean & Median Speed by Time of Day Atlanta: I-85 at I-285 10 15 20 25 30 35 40 45 50 55 60 Time of Day MPH Mean Speed Median Speed Mean Speed54.48 54.685555555551.74 43.23 37.95 43.21 49.39 51.51 51.8350.246.7135.122.82 17.69 23.26 40.63 49
4、.68 52.88 52.16 53.71 Median Speed55555555555554464248535454535138159154753555455 00:00- 01:00 01:00- 02:00 02:00- 03:00 03:00- 04:00 04:00- 05:00 05:00- 06:00 06:00- 07:00 07:00- 08:00 08:00- 09:00 09:00- 10:00 10:00- 11:00 11:00- 12:00 12:00- 13:00 13:00- 14:00 14:00- 15:00 15:00- 16:00 16:00- 17:
5、00 17:00- 18:00 18:00- 19:00 19:00- 20:00 20:00- 21:00 21:00- 22:00 22:00- 23:00 23:00- 00:00 6 System Performance: System Performance: Freight FlowsFreight Flows Measurement of the Transportation SystemMeasurement of the Transportation System s s Ability to Facilitate and Influence Economic Ability
6、 to Facilitate and Influence Economic ActivityActivity IntrastateIntrastate InterstateInterstate InternationalInternational 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 7 Day Progression7 Day Progression States VisitedStates Visited 23 Eugene OREugene OR 24 Salt Lake CitySalt Lake City 25 MiamiMiami
7、 26 Burlington VTBurlington VT 27 DetroitDetroit 28 Alberta, CanadaAlberta, Canada 29 Quebec, CanadaQuebec, Canada 30 NogalesNogales 31 McAllenMcAllen 32 LaredoLaredo 33 From Laredo From Laredo “ “Thru/ToThru/To” ” StateState 34 Questions?Questions? Jeff ShortJeff Short ATRIATRI 770770- -432432- -06280628 jshorttrucking.orgjshorttrucking.org