Layer Estimates:

Layer: CTA Train Lines (ID:0)
Count: 154
Extent:

XMin: -9785189.6536
YMin: 5119484.1741
XMax: -9752240.0765
YMax: 5171944.8617
Spatial Reference: 102100 (3857)

Layer: CTA Bus + Train Stations (ID:1)
Count: 10068
Extent:

XMin: -9785189.6538
YMin: 5108072.7743
XMax: -9743316.2974
YMax: 5163895.778
Spatial Reference: 102100 (3857)

Layer: CTA_BusRoutes (ID:2)
Count: 127
Extent:

XMin: -9783494.899134
YMin: 5107775.32221435
XMax: -9743319.69489169
YMax: 5170746.59839557
Spatial Reference: 102100 (3857)

Layer: Chicago Boundaries (ID:3)
Count: 1
Extent:

XMin: -9789448.72
YMin: 5107881.5524
XMax: -9743142.3745
YMax: 5164431.1375
Spatial Reference: 102100 (3857)

Layer: CTA_BusStops_Projected (ID:4)
Count: 10822
Extent:

XMin: -9783235.1908
YMin: 5107824.1235
XMax: -9743316.2974
YMax: 5170676.1514
Spatial Reference: 102100 (3857)

Layer: CTA_RailStations_Projected (ID:5)
Count: 144
Extent:

XMin: -9785189.6538
YMin: 5119484.1741
XMax: -9752240.0764
YMax: 5171944.8618
Spatial Reference: 102100 (3857)

Layer: CTA_RailStations (ID:6)
Count: 144
Extent:

XMin: -9785380.13181014
YMin: 5119467.49362367
XMax: -9751869.53852271
YMax: 5172092.6589594
Spatial Reference: 102100 (3857)