OKI’s Traffic Simulation Andy Reser, AICP Indiana MPO Conference 10/10/07

Why use simulation? Traditional regional travel demand model is not sensitive to local improvements such as: signalization new intersection turn lanes Integration of pedestrians and transit Improved geometry Decision-makers can visualize impact; supports charts, graphs, LOS plots

Traditional regional travel demand model is not sensitive to local improvements such as:

signalization

new intersection turn lanes

Integration of pedestrians and transit

Improved geometry

Decision-makers can visualize impact; supports charts, graphs, LOS plots

Simulation Development Goals Integrate with current travel demand model and GIS data Most work done in-house; utilize skills of OKI staff Use as an effective outreach tool in support of OKI’s Corridor Studies.

Integrate with current travel demand model and GIS data

Most work done in-house; utilize skills of OKI staff

Use as an effective outreach tool in support of OKI’s Corridor Studies.

Integrate with Travel Model Selected CUBE Dynasim as simulation software. Existing model operates in CUBE environment. Use regional network and peak period assignment as base. Extract sub-area from regional model.

Selected CUBE Dynasim as simulation software. Existing model operates in CUBE environment.

Use regional network and peak period assignment as base.

Extract sub-area from regional model.

Sub-Area Model Refine sub-area by disaggregating zones and adding links (local streets). Distribute zonal vehicle trips to subzonal vehicle trip table. Run sub-area vehicle assignment. Export to Dynasim

Refine sub-area by disaggregating zones and adding links (local streets).

Distribute zonal vehicle trips to subzonal vehicle trip table.

Run sub-area vehicle assignment.

Export to Dynasim

Use of GIS data GIS data used for: Splitting zones Modifying “stick” network to match shape Within Dynasim, use aerial photos to correct geometry, add turn lanes. GPS data used for bus stops and parking restrictions. 2d and 3d background development: Aerial photos, building footprints, edge of pavement, street labels.

GIS data used for:

Splitting zones

Modifying “stick” network to match shape

Within Dynasim, use aerial photos to correct geometry, add turn lanes.

GPS data used for bus stops and parking restrictions.

2d and 3d background development:

Aerial photos, building footprints, edge of pavement, street labels.

Utilize OKI Resources Interdepartmental coordination Transportation GIS Data Services “Visual Technology Coordinator” Citilabs tech support Continue improvement in sub-area assignment and the integration of street centerline with model

Interdepartmental coordination

Transportation

GIS

Data Services

“Visual Technology Coordinator”

Citilabs tech support

Continue improvement in sub-area assignment and the integration of street centerline with model

Simulation Demo of OKI Projects

Contact Information David Shuey, GISP - GIS Manager [email_address] Andy Reser, AICP - Model Applications Coordinator [email_address] Ohio-Kentucky-Indiana Regional Council of Governments Cincinnati, OH 513-621-6300 www.oki.org

David Shuey, GISP - GIS Manager

[email_address]

Andy Reser, AICP - Model Applications Coordinator

[email_address]

Ohio-Kentucky-Indiana Regional Council of Governments

Cincinnati, OH

513-621-6300

www.oki.org