Layer Estimates:

Layer: MBTA Stops With Data (ID:0)
Count: 319
Extent:

XMin: -7914372.07591144
YMin: 5214899.6371721
XMax: -7913239.6227316
YMax: 5216114.99155705
Spatial Reference: 102100 (3857)

Layer: Red Line Stops (ID:1)
Count: 23
Extent:

XMin: -7919500.00825484
YMin: 5192243.69448856
XMax: -7903842.25395782
YMax: 5220584.22280783
Spatial Reference: 102100 (3857)

Layer: Red Line (ID:2)
Count: 8
Extent:

XMin: -7919500.00825484
YMin: 5192243.69448856
XMax: -7903694.75563252
YMax: 5220781.70301967
Spatial Reference: 102100 (3857)

Layer: MBTA Bus Routes (ID:3)
Count: 963
Extent:

XMin: -7998137.09842662
YMin: 5098321.0460715
XMax: -7862101.5637315
YMax: 5281306.55261834
Spatial Reference: 102100 (3857)

Layer: Kendall Square (ID:4)
Count: 1
Extent:

XMin: -7914285.8283
YMin: 5214944.492
XMax: -7912335.2518
YMax: 5216395.168
Spatial Reference: 102100 (3857)