Layer Estimates:

Layer: Roads (ID:1)
Count: 4028
Extent:

XMin: -8819743.28390565
YMin: 5473379.27607268
XMax: -8727025.01674758
YMax: 5616021.66645899
Spatial Reference: 102100 (3857)

Layer: SignalGroup (ID:4)
Count: 37
Extent:

XMin: -8796702.94682147
YMin: 5511773.63323942
XMax: -8741925.69397483
YMax: 5579303.84995498
Spatial Reference: 102100 (3857)