Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| County | Location | Street Names | Milepost | Roads Intersected | Notes |
| --- | --- | --- | --- | --- | --- |
| Norfolk | Stoughton | Pleasant Street Turnpike Street Lindelof Avenue | 3.0 | Route 24 | Route 24 Exit 20. |
| Norfolk | Weymouth | Anne Street | (no major junctions) | (no major junctions) | (no major junctions) |
| Plymouth | Rockland | North Avenue Plain Street Market Street | 12.2 | Route 123 | Western terminus of Route 123/139 concurrency. |
| Plymouth | Rockland | North Avenue Plain Street Market Street | 12.8 | Route 123 | Eastern terminus of Route 123/139 concurrency. |
| Plymouth | Hanover | Hanover Street Rockland Street Columbia Road | 17.9 | Route 53 | Northern terminus of Route 53/139 concurrency. |
Question:
Where is milepost 12.8?
Answer:
Rockland