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Transportation Planning

Explore the intricacies of transportation planning and modeling using EMME/2 through the MAG Model in Maricopa County. This comprehensive document covers agency interconnections, methodologies for traffic demand forecasting, and updates to the regional transportation model. Analyzing diverse factors such as socioeconomic variables, trip purposes, and network service levels, it provides insights into transportation dynamics across major municipalities like Phoenix, Tempe, and Scottsdale. Major updates from foundational studies dating back to 1979 shape the evolution of the transportation framework in this populous region.

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Transportation Planning

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  1. Transportation Planning Modeling with EMME/2

  2. Interconnectedness

  3. Agencies Running The MAG Model • Maricopa County • Regional Public Transportation Authority • Scottsdale • Tempe

  4. Agencies Supported • Buckeye • Chandler • Fountain Hills • Phoenix • ADOT • Gila River Indian Community • Gilbert • Glendale • Goodyear • Mesa • Pima Association of governments • Peoria • Phoenix • Pima-Maricopa Indian Community • US HUD

  5. Components • Transportation Model • Land Use • Highway Network • Transit Network • Documentation

  6. Major Updates • 1984 Travel Demand Model (UTPS) • 1979 Travel Speed Study • 1980 On-Board Bus Survey • 1981 Home Interview Survey • 1990 Travel Model Update (UTPS) • 1986 On-Board Bus Survey • 1986 Travel Speed Study • 1989 Home Interview Survey • 1995 Conversion to EMME2 and Model Update • 1989 Home Interview • 1991 On-Board Bus Survey • 1993 Travel Speed Study

  7. Recent Improvements • Feedback to Trip Distribution • HOV Modeling • Graphics • Model Flexibility • Remote Access

  8. Socioeconomic Variables • Residential • Location • Household Income • Auto Ownership • Employment • Location • Type

  9. Modeled Area • Area is 60 x90 miles • 29 Member Agencies • 1541 Transportation Analysis Zones

  10. Modeled Area • Area is 60 x90 miles • 29 Member Agencies • 1541 Transportation Analysis Zones

  11. Transportation Model Feedback

  12. MAG Transportation Model

  13. Trip Purpose Stratification • Home-Based Work • Income Group Stratification • Home-Based Shopping • Home-Based Other • Home-Based School • Elementary/Secondary • Arizona State University • Other University • Non-Home Based • Non-Home-Based Other • Non-Home-Based Work

  14. Trip Generation • Trip Production • j = f (Household size j, Household income j) • Trip Attraction • j = f (Retail Employment j, other employment j, households j)

  15. Productions and Attractions

  16. Network Level of Service • Highway • Travel distance ij • Travel time ij • Travel Cost • Transit • Walk time ij • First wait ij • In-vehicle time ij • Transfer time ij • Fare ij • Number of transfers • Drive access areas • Walk access areas

  17. Trip Distribution Pi(Aj x Fij) S (Aj x Fij) Tij = Tij = Trips from Zone i to Zone j Aj = trip Attraction in Zone j Pi = Trip Production in Zone i Fij =Effect of travel time & distance between Zone i & Zone j

  18. Transit Access Coding

  19. AM Peak Period Bus Travel Time Factor AM PEAK PERIOD

  20. Walk Access Path Building Parameters

  21. Multinomial Logit Structure Choice Transit Walk Transit Drive Drive Alone Shared Ride Access Access 2 Occupants 3 Occupants 4+ Occupants

  22. Mode Choice Pij = Probability of using transit for a trip between Zone i to Zone j Transit untilityij = f (transit level of serviceij , incomei ) Auto utilityij = f (highway level of service ij , income ij

  23. Home Based Work Observed vs. Estimated Trips by Mode

  24. Home Based Non-Work Observed vs. Estimated Trips by Mode

  25. Non-home Based Observed vs. Estimated Trips by Mode

  26. Transit Trips Thousands

  27. Transit Boardings Thousands

  28. Transit Transfer Rate

  29. 1980 Weekday 24-hour Counts I-10: East of 40th Street

  30. Actual vs. Estimated Counts

  31. Highway Travel Forecasting Accuracy of Models in Phoenix and Other Planning Areas

  32. Population and Average Daily VMT

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