Layer Estimates:

Layer: Centerline (ID:0)
Count: 121972
Extent:

XMin: -8266197.87244281
YMin: 4938542.56527294
XMax: -8204160.67362228
YMax: 4999833.93556977
Spatial Reference: 102100 (3857)

Layer: Street Names (ID:1)
Count: 68735