 The two routes travel northward, with a combined exit to U.S. Route 20 and the Massachusetts Turnpike (I-90) shortly after the merge, and just before the two routes enter Worcester.In Worcester, Route 122A leaves Route 146 at Providence Street, following it and Winthrop Street until crossing I-290 at Exit 13.Just after this, Route 122A meets Route 122 at Kelley Square, running concurrently with its parent route westward until the two meet Route 9 and Route 12.