Layer Estimates:

Layer: TxDOT_ReferenceMakers (ID:0)
Count: 42392
Extent:

XMin: -11870142.1070112
YMin: 2981786.38911276
XMax: -10410699.6883695
YMax: 4369681.58185608
Spatial Reference: 102100 (3857)

Layer: TxDOT_Roadways (ID:1)
Count: 510427
Extent:

XMin: -11871589.3682854
YMin: 2979362.60191655
XMax: -10410457.1398932
YMax: 4369733.00392556
Spatial Reference: 102100 (3857)

Layer: Airports (ID:2)
Count: 233
Extent:

XMin: -11880260.2290993
YMin: 2971151.35756775
XMax: -10393323.9148354
YMax: 4358691.52747515
Spatial Reference: 102100 (3857)

Layer: Airport_Runways (ID:3)
Count: 302
Extent:

XMin: -11880054.6213011
YMin: 2971545.13392825
XMax: -10393726.9196735
YMax: 4358606.44380902
Spatial Reference: 102100 (3857)