The M3 Junction 9 roundabout, slip roads and several surrounding roads, will be closed Sat/Sun 12/13 Sep 2026. 

 The M3 junction 9 northbound entry slip road near Winchester is closed continuously until winter 2027 for major improvement works. Drivers cannot access the M3 northbound from the roundabout and must follow a signed diversion south to junction 11 to re-route. 

Access via Norman Road, Winchester S023 9PW.