AMP: 5 Location: I-290 and Vernon St, Worcester 1/2 mile to Mass. 122 as we pass under 122A. AMP: 5 Location: I-290 and Grafton St, Worcester Exit for Mass. 122/Grafton St. E to MA 9, W to MA 146 S to US-20, N to MA 122A S to MA 146, N to MA 122