Pittsburgh Regional TransitShapefiles of Pittsburgh Regional Transit routes. Routes change over time. The 4-digit code corresponds to the "pick" or schedule period of that route; for example, the schedule period beginning in September 2019 is known as the 1909 pick. The data files in this dataset are pulled from the [current routes dataset](https://open-data-pgh-transit.hub.arcgis.com/datasets/9483dc3e6dc8495badef05a3f7f38dff_0/explore?location=40.469873%2C-79.986781%2C10) on the [PRT's data portal](https://open-data-pgh-transit.hub.arcgis.com/) on a weekly basis. **Note:** Historical routes from September 2022/present are available at: https://open-data-pgh-transit.hub.arcgis.com/datasets/pgh-transit::prt-routes-historical-full-system/aboutprt-current-transit-routesengWestern Pennsylvania Regional Data Center Open DataPublicTransportationPittsburgh Regional Transit Transit RoutesDatasetsPennsylvania--PittsburghPennsylvaniaLast Modified: 2026-03-24