Procedural Modeling in Active Transportation (Bus,
Bike, Walk) for City Sustainable Development.
Leilei Duan University of Southern California
Ping Wang Southern California Association of Governments
Transportation Plan Guideline
• To maintain guidelines for travel demand models used in the development of regional transportation plans by MPO
• Require MPO to adopt a sustainable community strategy to reduce GHG
• To include a housing element to identify the existing and projected housing needs of all economic segments of the community.
High Quality Transit Area (HQTA)
~0.5 mile Buffer area around stops and bus lines which headway <= 15 min
Ridership projection
Population
Employment
Household
Travel demand
modelActive
Transportation Ridership
Projection
Study Area
Korean townWestlake
DataTrip projection (TAZ level)Household projection (TAZ level)Land use general plan (parcel level)
Color: Projected daily walktrip changes. Red: most increase; Blue: least increase
Volume: projected housing units under low density and high density scenario
Unit size: rand (500, 1500)
Color: Projected daily biketrip changes. Red: most increase; Blue: least increase
Volume: projected housing units under low density and high density scenario
Unit size: rand (500, 1500)
Color: Projected daily bustrip changes. Red: most increase; Blue: least increase
Volume: projected housing units under low density and high density scenario
Unit size: rand (500, 1500)
Next steps
• Visualize SCAG ConnectSoCal plan• Find pattern and analyze patterns• Publish regional plans through ArcGIS Urban