Megaregion Last Updated: 10/05/2022
*This date is subject to change with every model rerun, this article references the 10/05/22 run.
This megaregion model contains population, transit, and auto ground truth data from various sources. For more information on Replica’s data sourcing and methodology, please visit our Help Center.
Population Data
Replica’s population data is based on US Census demographic datasets which are used to create a “synthetic population” that is statistically representative of the actual population in a region. Below are the Census resources referenced in this megaregion model:
Source | Year |
American Community Survey (ACS)/ Public Use Microdata Sample (PUMS) | 2019 |
Census Transportation Planning Products (CTPP) | 2016 |
Longitudinal Employer-Household Dynamics (LEHD) | 2017 |
Transit Data
Below is a list of all the transit service providers and the routes modeled in this megaregion model.
Agency | Total Routes Modeled | Ground Truth Data Source | Data Year |
AAATA | 30 | Quarterly Performance Report | 2016 |
Beloit Transit System | 7 | Agency Provided - Beloit Transit System | 2021 |
Bloomington Transit | 31 | Bloomington Route Optimization Study - Final Report Appendices, Appendix A | 2018 |
Capital Area Transportation Authority | 34 | National Transit Database | 2021 |
Central Ohio Transit Authority | 38 | Agency Provided - Central Ohio Transit Authority | 2021 |
Champaign Urbana Mass Transit District | 102 | Agency Provided - CUMTD | 2021 |
Chicago Transit Authority | 137 | Monthly Ridership Reports | 2021 |
Citilink | 24 | 2030 Transit Development Plan | 2018 |
City of Kenosha | 8 | National Transit Database | 2021 |
City of La Crosse | 11 | La Crosse Regional Transit Development Plan Needs Assessment | 2019-2020 |
CityBus | 22 | National Transit Database | 2021 |
CityLink | 20 | On the Move Final Report | 2019 |
Connect Transit | 15 | Agency Provided - Connect Transit | 2021 |
Danville Mass Transit | 12 | Agency Provided - Danville Mass Transit | 2021 |
DeKalb Public Transit | 15 | National Transit Database | 2021 |
Detroit Department of Transportation | 38 | National Transit Database | 2021 |
Greater Cleveland Regional Transit Authority | 42 | National Transit Database | 2021 |
Greater Dayton RTA | 20 | National Transit Database | 2021 |
IL_Rockford | 33 | Agency Provided - R1PC | 2019-2020 |
IndyGo Public Transportation | 32 | Board Reports | 2021 |
Kalamazoo | 19 | Board Agenda Packet | 2021 |
Lextran | 26 | Board of Directors Agenda Packet | 2019 |
METRO | 31 | Planning/Marketing/Rail Committee Packet | 2021 |
MITS | 14 | National Transit Database | 2021 |
Madison County Transit | 29 | National Transit Database | 2021 |
Mass Transportation Authority Flint | 14 | National Transit Database | 2021 |
Metra | 11 | Metra Monthly Ridership By Line Dashboard | 2021 |
Metro Rock Island County Metropolitan Mass Transit District | 32 | Agency Provided - Bi-State Regional Commission | 2021 |
Metro St. Louis | 67 | National Transit Database | 2021 |
Metro Transit-City of Madison | 94 | Open Data Portal | 2020 |
Milwaukee County Transit System | 53 | National Transit Database | 2021 |
Northern Indiana Commuter Transportation District | 1 | National Transit Database | 2021 |
PACE | 132 | Average Bus Ridership Dashboard | 2021 |
Qline Detroit | 1 | National Transit Database | 2021 |
Ryde | 9 | National Transit Database | 2021 |
SMART | 44 | National Transit Database | 2021 |
SMTD | 37 | Agency Provided - SMTD | 2021 |
Southwest Ohio Regional Transit Authority | 49 | National Transit Database | 2021 |
Terre Haute Transit | 11 | National Transit Database | 2021 |
The Rapid | 29 | Agency Provided - The Rapid | 2021 |
Toledo Area Regional Transit Authority | 20 | National Transit Database | 2021 |
Transit Authority of Northern Kentucky | 36 | National Transit Database | 2021 |
Transit Authority of River City | 31 | National Transit Database | 2021 |
University of Michigan Transportation Services | 9 | National Transit Database | 2021 |
Auto Data
Replica sources seasonal auto counts from in-vehicle GPS data that is scaled to roughly match AADT counts. The roadway network is based on the OpenStreetMap network version published September 1, 2021. For more information on OpenStreetMap, click here.
Taxi/TNC Data
Below is a list of taxi/TNC ground truth data provided directly by customers:
Taxi/TNC Data | Source | Dataset Timeframe |
Taxi Trips | Chicago Data Portal (CDOT) | Sept. - Nov. 2021 |