Chicago Metropolitan Agency for PlanningWhat is this data? Current CTA rail lines. Data includes route identifiers, names, and links to RTAMS and CTA sites. How can it be used? What projects use this data? CTA rail lines data can be used for base mapping, existing condition reports, transit-oriented development (TOD) planning, ridership analysis, and more. Who created this data? How and when? This data layer is referenced from the RTA's Mapping and GIS Portal , specifically the Transit Services Feature Server layers that power RTA's shapefile downloads . Where can I find the latest data? How frequently is it updated? This data layer is referenced directly from the Regional Transportation Authority's (RTA) Mapping and GIS Portal , which means this layer should update automatically . RTA staff update the source data quarterly.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/74b6402b06624c1f86cb68c1912be901_3engCMAP (Chicago Metropolitan Agency for Planning) Data HubPublicCTA Rail Lines, Northeastern Illinois (RTA, Current) [Illinois--Chicago]Web servicesIllinois--ChicagoIllinoisLast Modified: 2021-07-29