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 |
Brightline Trains LLC | 1 | TheRealDeal Article - Brightline Ridership | 2019 |
Broward County Transit | 43 | November 2021 Ridership Report, September 2021 Ridership Report, October 2021 Ridership Report | 2021 |
Central Florida Regional Transit Authority | 71 | LYNX FY2021 Fixed Route Ridership | 2020-2021 |
Charleston Area Regional Transportation Authority | 24 | CARTA Board Meeting - February 22 Ridership Summary | 2022 |
Chatham Area Transit | 18 | Chatham Area Transit (CAT) Board of Directors Agenda December 2021, Chatham Area Transit (CAT) Board of Directors Agenda October 2021, Chatham Area Transit (CAT) Board of Directors Agenda November 2021 | 2021 |
Clemson Area Transit | 6 | National Transit Database | 2021 |
CobbLinc | 13 | Agency Provided - CobbLinc | 2021 |
FL Lake County | 7 | National Transit Database | 2021 |
Florida Department of Transportation | 1 | SunRail Monthly Ridership by Station FY2022 | 2021-2022 |
Gwinnett County Transit | 13 | Connect Gwinnett Existing Conditions Technical Memo | 2017 |
Hillsborough Area Regional Transit | 35 | Productivity and Ridership FY 2019 - FY 2020 - October + November (zip folder) | 2019 |
Jacksonville Transportation Authority | 44 | National Transit Database | 2021 |
Key West Transit | 4 | Key West Transit Ridership by Fiscal Year | 2021-2022 |
LeeTran | 24 | LeeTran Transit Development Plan (Nov. 2020) | 2018-2019 |
Manatee County Area Transit | 16 | MCAT Transit Development Plan Major Update | 2016-2017 |
Metropolitan Atlanta Rapid Transit Authority | 118 | NTD, MARTA Open Data | 2019-2020, 2021 |
Miami-Dade Transit | 125 | Miami-Dade Ridership Technical Report Nov 2021, Miami Gardens Ridership Report, Doral Trolley Coordination Study, Miami-Dade County CITT Five Year Plan - 2022 Update, Miami Beach Ridership Report, Miami-Dade Ridership Technical Report Sept 2021, Miami-Dade Ridership Technical Report Oct 2021, Miami-Dade County CITT Five Year Plan | 2018-2019, 2018-2020, 2019, 2021 |
Palm Tran | 32 | Palm Tran FY2022-2031 Transit Development Plan | 2020-2021 |
Pinellas Suncoast Transit Authority | 44 | PSTA FY 2021-2030 Transit Development Plan | 2018-2019 |
Regional Transit System | 44 | RTS Ridership Report FY2021 | 2020-2021 |
SRTA | 27 | SRTA NTD Profile 2019 | 2019 |
Sarasota County Area Transit | 13 | Sarasota County Transit Development Plan | 2017-2018 |
Space Coast Area Transit | 24 | National Transit Database | 2021 |
StarMetro | 31 | State of the System | 2021 |
SunTran | 7 | SunTran NTD Profile 2019 | 2019 |
The COMET | 44 | National Transit Database | 2021 |
Tri-Rail | 1 | National Transit Database | 2021 |
University of Georgia | 13 | National Transit Database | 2021 |
Votran | 42 | Votran Comprehensive Operational Analysis | 2019 |
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.