Location | Approximate Station | El. Top of Rail | Soil Conditions at Bottom of Subway |
|---|---|---|---|
| Kenmore Street (at Commonwealth) | 0+00 | 16.2 | Sand & gravel fill underlain by silt |
| Charlesgate West (at Commonwealth) | 6+00 | -8.7 | Silt underlain by sand & gravel |
| Charlesgate East (at Newbury St.) | 10+00 | -18.9 | Sand & gravel; short section of clay |
| Massachusetts Ave. (at Newbury St.) | 19+32 | 7.5 | Sand & gravel fill underlain by silt |
| Hereford Street | 27+15 | 7.7 | Silt over sand & gravel |
| Gloucester Street | 31+55 | 1.9 | Sand & gravel |
| Fairfield Street | 37+15 | -4.8 | Sand & gravel |
| Exeter Street | 43+75 | -6.4 | Silt over sand & gravel |
| Dartmouth Street | 49+80 | -6.5 | Silt over thin peat over thin sand & gravel |
| Clarendon Street | 56+05 | -8.8 | Silt over thin peat |
| Berkeley Street | 62+25 | -13.0 | Sand & gravel |
| Arlington Street | 69+10 | -14.5 | Clay |
| Hadassah Way | 73+35 | N -14.0 S -11.5 | Fairly hard blue clay (peat between Hadassah Way & Charles Street) |
| Charles Street | 78+00 | N -4.2 S -5.0 | Blue clay & gravel |