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

Ridership projection

Walk trips 2045 Bike trips 2045 Bus trips 2045

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

Contacts

Leilei Duan leileidu@usc.edu

Ping Wang WANGP@scag.ca.gov