Michigan METSIM/MOTSIM Projects: Michigan METSIM/MOTSIM Projects: Advances in Practice Advances in Practice & & I I - - 465 West Leg Reconstruction: 465 West Leg Reconstruction: Work Zone Mobility Work Zone Mobility Do Nam, Ph.D., P.E. Do Nam, Ph.D., P.E. T T - - Concepts Corp. Concepts Corp. Brookfield, WI Brookfield, WI Traffic Models Workshop Traffic Models Workshop Sacramento, CA Sacramento, CA March 20 March 20 - - 21, 2007 21, 2007
Transcript
Michigan METSIM/MOTSIM Projects:Michigan METSIM/MOTSIM Projects:Advances in Practice Advances in Practice
&&II--465 West Leg Reconstruction:465 West Leg Reconstruction:
Work Zone MobilityWork Zone Mobility
Do Nam, Ph.D., P.E.Do Nam, Ph.D., P.E.TT--Concepts Corp.Concepts Corp.
Brookfield, WIBrookfield, WI
Traffic Models Workshop Traffic Models Workshop Sacramento, CASacramento, CA
March 20March 20--21, 200721, 2007
2
Traffic Models Workshop in Sacramento, CA
Southeast Michigan Metro SimulationSoutheast Michigan Metro Simulation(METSIM)(METSIM)
System-Level Planning/Operational Analysis Tool Freight MobilityMETSIM Model
10 mi x 30 mi3500 nodes & 7200 links310 zones3/4 hours in AM/PM 200,000 trips in PM peak3 Vehicle Classes
3
Traffic Models Workshop in Sacramento, CA
Ambassador Gateway MOT SimulationAmbassador Gateway MOT Simulation(MOTSIM)(MOTSIM)
System-Level Maintenance of Traffic Analysis Tool Ambassador Gateway ReconstructionMOTSIM Model
15 mi x 20 mi12,000 nodes & 11,000 links440 zones3/4 hours in AM/PM 220,000 trips in PM peak4 Vehicle Classes
#2 #2 –– Data Processing using BalTData Processing using BalT
IssuesDifficult to Exactly Locate StationsCollected over Different Months/YearsNo information about field conditions
NeedsSystematic Data Processing ToolsData QA/QC
11
Traffic Models Workshop in Sacramento, CA
BalT (Balancing Tool)BalT (Balancing Tool)
Excel Spreadsheet with Macros Originally Developed for Balancing Traffic Counts along the CorridorUpstream/Downstream Mainline Stations and Ramps in Order Following the Direction of TravelAdded Module for System Interchanges
Sample BalT
12
Traffic Models Workshop in Sacramento, CA
Balanced Traffic Counts at I-94/I96 System Interchange
13
Traffic Models Workshop in Sacramento, CA
#3: Calibration Processing using LiVE #3: Calibration Processing using LiVE
Extension of BalT ApproachExtracts Assigned Link Volumes Offline and Summarizes Results with Various Stats Making Calibration/Validation Process Much More EfficientEnhanced Quality of Deliverables
14
Traffic Models Workshop in Sacramento, CA
Trip Ends SummaryTarget vs. Model
15
Traffic Models Workshop in Sacramento, CA
Ramp Volumes SummaryTarget vs. Model
16
Traffic Models Workshop in Sacramento, CA
System Interchange Volumes SummaryTarget vs. Model
17
Traffic Models Workshop in Sacramento, CA
Michigan Mobility Station •
Model Validation Data SetModel Validation Data Set
Total 27 Stations I-75: 16I-94: 8I-696: 3
Month of Sept. 200612 Days of Tues-ThursHourly CountsSpeeds
18
Traffic Models Workshop in Sacramento, CA
Validation Data Set QA/QC Validation Data Set QA/QC
19
Traffic Models Workshop in Sacramento, CA
AM Model Calibration ResultsAM Model Calibration Results
20
Traffic Models Workshop in Sacramento, CA
AM Model Congestion PatternAM Model Congestion Pattern
8:00 AM
21
Traffic Models Workshop in Sacramento, CA
AM Model Validation ResultsAM Model Validation Results
22
Traffic Models Workshop in Sacramento, CA
PM Model Calibration ResultsPM Model Calibration Results
23
Traffic Models Workshop in Sacramento, CA
Evolution of Computer Technology Evolution of Computer Technology Based on CDFN Model RuntimeBased on CDFN Model Runtime
0:32:002:26:00Intel Pentium 4 2.8 GHz
1 GB RAM64 MB Video Memory (shared)
0:06:000:62:00AMD Turion 1.81 GHz
2 GB RAM256 MB Video Memory
0:08:000:42:00Intel Pentium M 2.13 GHz
2 GB RAM128 MB Video Memory (shared)
0:03:000:38:00Intel Core2 2 GHz
2 GB RAM512 MB Video Memory
Batch Run DisplayLaptop Specs
2003
2006
24
Traffic Models Workshop in Sacramento, CA
What’s Next?What’s Next?
METSIMHotspot Review with MITS Staff Freight Mobility Analysis
MOTSIMConstruction Stages AnalysesMaintenance of Traffic Plan Development
25
Traffic Models Workshop in Sacramento, CA
II--465 West Leg Reconstruction465 West Leg ReconstructionIndianapolis, IN for InDOTIndianapolis, IN for InDOT
Capacity Expansion with Modernization Simulation Applications
Interchange Design AlternativesInterchange Construction OptionsCS/MOT Plan After-Construction Corridor Performance
26
Traffic Models Workshop in Sacramento, CA
1650/1100
I-70 EB to I-465 NB Traffic
II--465 West Leg Reconstruction465 West Leg ReconstructionIndianapolis, IN for InDOTIndianapolis, IN for InDOT
xx
xx
27
Traffic Models Workshop in Sacramento, CA
II--465 West Leg Reconstruction465 West Leg ReconstructionIndianapolis, IN for InDOTIndianapolis, IN for InDOT
Temporal Off-Ramp with Intersection
?
28
Traffic Models Workshop in Sacramento, CA
II--465 West Leg Reconstruction465 West Leg ReconstructionIndianapolis, IN for InDOTIndianapolis, IN for InDOT
Airport Expwy WB Traffic
29
Traffic Models Workshop in Sacramento, CA
II--465 West Leg Reconstruction465 West Leg ReconstructionIndianapolis, IN for InDOTIndianapolis, IN for InDOT
30
Traffic Models Workshop in Sacramento, CA
II--465 West Leg Reconstruction465 West Leg ReconstructionIndianapolis, IN for InDOTIndianapolis, IN for InDOT
xx
31
Traffic Models Workshop in Sacramento, CA
32
Traffic Models Workshop in Sacramento, CA
Detour Routes2010 Plan Construction Stage 3
03/08-04/08
Ramp ClosuresEB 10th St to NB 465EB Washington to NB 465WB Washington to SB 465SB 465 to EB 10th StWB 10th St to SB 465EB Washington to SB 465
Rockville
Washington
10th St
33
Traffic Models Workshop in Sacramento, CA
10th St
Temporal Signal for WB 10th to NB 465
34
Traffic Models Workshop in Sacramento, CA
Lessons LearnedLessons Learned
Simulation is an excellent tool for system modeling and work zone mobility analysisSimulation requires multi-disciplined experienceSimulation lacks practice guidelinesSimulation needs institutional support
