Follow airport signs for Route 1A South (Sumner Tunnel/Boston). Go through the tunnel, staying to the right-hand side and following signs for Government Center. At the end of the tunnel, follow signs for North End/North Station. You will go through two sets of lights and then cross over the North Washington St./Charlestown Bridge. As you cross over the bridge, get in the right-hand lane. At the set of lights at the end of the bridge, turn right onto Chelsea St. At next set of traffic lights, turn right onto Warren St. At stop sign, turn right onto Constitution Road/Charles River Ave. Hotel will be on your left.