In former years, the A272 continued north-west from Winchester to Stockbridge, but this section has now been redesignated as the B3049. Today, after it re-emerges from the A31 to run north to the Winnall Roundabout, Junction 9 of the M3. Here it merges with the A34, passing east and north of Winchester (with limited access to the A33 northbound), before re-emerging near Littleton. It then runs NW along the Andover Road (formerly B3420), terminating at the A30 in the parish of Barton Stacey, an overall length of . To the north the B3420 continues across the River Test to Wherwell and Andover.