Winchester Roadworks This Week: M3 J9 Slip and Andover Road

The M3 northbound exit slip road at junction 9 shuts from 9pm on Friday 9 October to 6am on Monday 12 October. Before that, B3420 Andover Road is closing overnight, 8pm to 6am, for up to three nights from Monday 5 October while poles are replaced. Those are the two Winchester roadworks to plan around this week.

Coming up after that:

• B3330 High Street, from The Bishop on the Bridge to the Eastgate Street roundabout, closes for up to three nights from 13 October, 7pm to 6am, for new water connections.
• The M3 closes in both directions between junctions 9 and 8 from 9pm on Friday 23 October to 6am on Monday 26 October, and again from 9pm on Friday 6 November to 6am on Monday 9 November, so old bridges can be demolished.
• The M3 junction 9 northbound entry slip road stays closed until winter 2027.
• Easton Lane westbound, towards Tesco, stays down to one lane until late November.

This page covers what is shut and when, then the parts that stay useful between updates: trains, the routes that matter around the city, and where to park.

Updated 6 October: the new emergency closure of Titchfield Lane near Wickham added, the one-day Northside Lane closure removed, and the 24 and 25 October rail changes south of Winchester added. National Highways’ junction 9 dates are unchanged since its 25 September update.

M3 junction 9: the autumn closures

National Highways posted a new set of closures on 25 September. It is demolishing the old bridges at junction 9 and widening the M3 northbound exit slip road (National Highways, M3 junction 9 improvements).

Closure	When	Why
M3 northbound exit slip road, junction 9	9pm Friday 9 October to 6am Monday 12 October	Widening the slip road
M3 northbound, junction 10 to junction 8	Overnight, 9pm to 6am, Friday 9 and Sunday 11 October	Putting barriers in and taking them out
M3 both directions, junction 9 to junction 8	9pm Friday 23 October to 6am Monday 26 October	Demolishing the northern bridge section
M3 both directions, junction 9 to junction 8	9pm Friday 6 November to 6am Monday 9 November	Demolishing the southern bridge structure

The motorway has to shut for the demolition because the old structures sit directly above it. Work will run day and night. Signed diversions apply to each closure, and National Highways publishes each route as a map on the scheme page.

Two of these dates fall on busy weekends. The October closure ends at 6am on the first day of half term. The November one covers Saturday 7 November, the night of Winchester’s bonfire and fireworks. We have the detail in our story on the M3 closures.

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Easton Lane down to one lane, until late November

From Monday 14 September until late November 2026, Easton Lane westbound towards Tesco is reduced to one lane. National Highways says this lets work start on the embankment and the old south-west subway at the junction.

Easton Lane is the link between junction 9 and Winnall, so expect queues at peak times on the way into the city from the motorway and the industrial estate.

The closure that lasts until winter 2027

Since 9pm on Friday 31 July 2026 the M3 junction 9 northbound entry slip road has been closed, and it stays closed until winter 2027. There is no access to the M3 northbound from the junction 9 roundabout for that whole period.

If you normally join the M3 towards Basingstoke and London at junction 9, you need a different plan for every trip. The choices are the A34 and the A303, or south to junction 10 or 11 and back up. Factor it into school runs and airport departures rather than discovering it at the roundabout.

The roundabout itself is open. Its third and last full weekend closure of the year ran from 11 to 14 September, after earlier ones from 31 July to 3 August and 21 to 24 August.

Andover Road and Bereweeke Road: up to three nights this week

The closure inside the city this week is on the northern approach. Works were expected to start on Monday 5 October, under an order Hampshire County Council has made covering (notice 23091):

• B3420 Andover Road, between North Hill Close and Winton Close
• B3041 Bereweeke Road, between Andover Road and the entrance to Lanterns Nursery School

The order runs for six months on paper. The notice expects the closure to be needed for no longer than three nights, working between 8pm and 6am, so the road should be open each day. Paragon Traffic Management is replacing poles. If the three nights ran back to back from 5 October, the last would be Wednesday night, 7 October, but Hampshire does not publish which nights were used or when work finished, so we cannot confirm that it is over.

The signed diversion for Andover Road northbound is the B3330, Durngate, Wales Street, Easton Lane, A34 and B3420. Southbound it is Stud Lane, Main Road, the B3049 and the B3044. That northbound route uses Easton Lane, which is the road already down to one lane, so allow extra time if you are driving it late on one of those nights.

High Street: three nights from 13 October

The second city centre closure is at the bottom of the High Street. The county council intends to close the B3330 High Street between The Bishop on the Bridge pub and the Eastgate Street roundabout from Tuesday 13 October (notice 23051).

The notice expects it to last no longer than three nights, working from 7pm to 6am. The Clancy Group is making new water connections. The signed route is long: the B3330, B3331, B3040, B3330 again, Durngate, Wales Street, Easton Lane, the A272, the A31 and back to the B3330.

The other closures around the city and district

Hampshire County Council is the highway authority for everything that is not a motorway or trunk road. It advertises each temporary closure as a public notice. These are the orders running now or due to start in the next fortnight (Hampshire County Council public notices, Winchester area).

A few things about that table are worth spelling out.

• Furzeley Corner and Titchfield Lane are emergency closures. Both were made under section 14(2) of the Road Traffic Regulation Act. That power is used when the council says a road must shut “without delay” because of danger to the public or a risk of serious damage to the road. Each notice runs for up to 21 days: to about 13 October at Furzeley Corner and about 26 October on Titchfield Lane. The Titchfield Lane diversion is long, running out through Fareham and back by the Titchfield bypass.
• Most orders last six months on paper. The council makes each planned order for six months “or until completion of the works, whichever is sooner”. The same notice then states how long the closure is actually expected to last. That shorter figure is the one in the table.
• The start dates are approximate. Hampshire says the road will be closed “at some point” during the order, with works “expected to start” on the date given. A closure can slip by days.
• Who is doing the work. Paragon Traffic Management is replacing poles on Andover Road and Bereweeke Road. Sunbelt Rentals is testing poles at Durley Street and Wintershill and installing them on Morestead Hill. The Clancy Group is making water connections on the High Street and at Beauworth. Cappagh Browne Utilities is reinstating the A334 at Shedfield, and CCN Communications is doing civils work on White Horse Lane. The emergency notices do not name a contractor.
• Two of these are in Winchester itself: Andover Road and Bereweeke Road, and the High Street. Morestead Hill is about three miles south-east, Beauworth about seven miles east, Durley and Wintershill about eight miles south-east, Shedfield about ten miles south-east and Denmead about 15 miles south-east. Titchfield Lane is in the far south of the district, near Wickham.

Northside Lane in Bishops Sutton, a one-day closure from 5 October, has come off the table since our last update because its stated length has passed. Hampshire’s notices do not record when works actually finish.

Trains: what changes in the next fortnight

South Western Railway runs Winchester’s trains to London and the south coast. Its September and October engineering page lists the work over the next fortnight. None of it closes the line through Winchester.

• Saturday 10 and Sunday 11 October. The lines around Salisbury are closed all weekend, and buses run between Salisbury and Romsey. There is also work in the Guildford and Staines areas. Trains between Winchester, Basingstoke and London Waterloo are not listed as affected.
• Saturday 17 and Sunday 18 October. The line between Salisbury and Southampton Central is closed all weekend, and Salisbury to Romsey trains do not run. Again, nothing is listed for the main line through Winchester.

Further ahead, on Saturday 24 and Sunday 25 October the lines in the Southampton Central area close all weekend. Winchester to Southampton Central stopping trains do not run, London Waterloo to Weymouth trains end at Southampton Airport Parkway or Eastleigh, and buses run on from Eastleigh. That is the same weekend the M3 is shut between junctions 9 and 8, so neither the motorway nor the train south of Eastleigh is straightforward that weekend.

Our guide to Winchester trains to London covers the normal timetable and season ticket prices.

The routes that matter around Winchester

Winchester’s road network is simple enough to hold in your head, which helps when one part of it fails.

• M3 junctions 9, 10 and 11. Junction 9 is the northern gateway and the A34 interchange. Junction 10 serves the east of the city off the A31 and Alresford Road. Junction 11 is the southern one, for St Cross, the hospital and Bar End. When junction 9 is shut, 10 and 11 carry the load.
• A34 north. The route to Newbury, Oxford and the Midlands, and the reason junction 9 handles so many lorries. Closures here push traffic through Three Maids Hill and Kings Worthy.
• A33 and Andover Road. The old road north through Kings Worthy and Headbourne Worthy, and the first thing to clog when the A34 shuts.
• A31 and the A272. East towards Alresford and Alton, and the Spitfire roundabout that ties the A31 to the A272 and the M3.
• A3090 Romsey Road. West past the hospital and the university towards Hursley and Romsey.
• Easton Lane and Winnall. The link between junction 9 and the city’s main industrial estate, and part of most closure diversions.

Beyond the city, the district’s traffic runs on B roads and lanes: the B3035 to Bishop’s Waltham, the B2177 through Wickham, and the network around Denmead that feeds towards the A3 and Waterlooville.

What is being built at junction 9, and why it takes so long

The scheme turns junction 9 from a roundabout into a free-flowing interchange, so that traffic moving between the M3 and the A34 no longer has to stop. National Highways puts the cost at £268 million to £322 million, with completion inside the 2025 to 2030 road period.

The work includes free-flow links between the M3 and A34 in both directions, widening the M3 from three lanes to four through the junction, two new bridges on the gyratory and a longer southbound slip road. When the scheme was consulted on, the government put the traffic through the junction at 110,000 vehicles a day, more than 6,000 an hour at peak, including over 5,500 lorries (GOV.UK press release). That volume is why the junction backs up onto the motorway, and why the rebuild is being done in stages.

Park and ride, and where to leave the car

Winchester’s park and ride is the practical answer to city centre congestion, and it is cheap. Five car parks, 2,137 spaces in total: South Winchester and Pitt on the western side, and Barfield, Barfield Phase II and St Catherine’s to the east (Winchester City Council).

The prices published by the council, which apply until 31 October, are:

These prices change on Sunday 1 November. The all-day ticket rises to £4.50, the off-peak ticket is withdrawn and the annual season ticket goes up to £828. Every old and new price is in our story on the November parking charges.

Buses run every seven minutes at peak on weekdays and every 12 minutes off-peak. On Saturday they run every 15 minutes from 7am and every 12 minutes after 9am, and after 6pm the gap stretches to 15 or 20 minutes. Service hours are 6:25am to 7:30pm Monday to Friday, with East Winchester starting at 6:30am, and 7am to 6:30pm on Saturday. No buses run on Sundays, though the council says parking is free in all the car parks that day. The machines take coins only.

For the train, Winchester station has 464 parking spaces including 10 accessible bays (National Rail). There is more on city centre tariffs in parking in Winchester.

Where to check before you set off

• National Highways road closure report for the motorway and trunk road network, including the M3 and A34.
• The M3 junction 9 scheme page for diversion maps and the next set of dates. The project team can be reached on 0300 123 5000 or at M3Junction9Improvements@nationalhighways.co.uk.
• Hampshire County Council public notices, filtered to the Winchester area, for every temporary closure order on the county’s roads. Telephone enquiries go to Roads and Transport on 0300 555 1388.

• South Western Railway planned engineering work for weekend rail closures.

• Winchester Half Marathon road closures, our road-by-road list of the 21 closures and three one-way restrictions the race brings in each September, with the times each one lifts.

Dates move at short notice, particularly when weather stops overnight work. Check the scheme page on the day rather than relying on a date read weeks earlier.

Frequently asked questions

Is the M3 closed at Winchester?

Only overnight in one direction this week. The M3 northbound between junctions 10 and 8 is closed 9pm to 6am on the nights of Friday 9 and Sunday 11 October. The full closures come later: the M3 closes in both directions between junction 9 and junction 8 from 9pm on Friday 23 October to 6am on Monday 26 October, and from 9pm on Friday 6 November to 6am on Monday 9 November, while old bridges are demolished. Before that, the northbound exit slip road at junction 9 is shut from 9pm on Friday 9 October to 6am on Monday 12 October.

Is the Winnall roundabout closed?

No. The Winnall roundabout is M3 junction 9, and it reopened at 6am on Monday 14 September after the last of three full weekend closures in 2026. The northbound entry slip road onto the M3 stays closed until winter 2027, and the slip and motorway closures above are still to come.

Which roads shut when the Winnall roundabout closes?

All the junction 9 slip roads in both directions, the A34 southbound from Bullington Cross, the A34 northbound to Three Maids Hill, the A33 in both directions, Easton Lane at the Easton Lane roundabout, and the A272 from the Spitfire roundabout. The M3 itself stays open through the junction. Signed diversions run on each closure.

Is Easton Lane closed?

No, but it is narrowed. From Monday 14 September until late November, Easton Lane westbound towards Tesco is reduced to one lane, so it stays open and gets slower at peak times.

How do I get on the M3 northbound from Winchester now?

Not from junction 9. Until winter 2027 the choices are the A34 north to the A303, or south through the city to junction 10 or junction 11 and back up the motorway.

Is Andover Road closing?

Yes, overnight, this week. From Monday 5 October, B3420 Andover Road between North Hill Close and Winton Close, and B3041 Bereweeke Road between Andover Road and Lanterns Nursery School, close for up to three nights between 8pm and 6am while poles are replaced. The roads are open during the day. Hampshire does not say which nights are used, and its start dates are approximate, so a night or two can slip later in the week.

Is Winchester High Street closing?

The bottom of it, at night. From Tuesday 13 October the B3330 High Street between The Bishop on the Bridge and the Eastgate Street roundabout is expected to close for up to three nights, 7pm to 6am, for new water connections.

Sources

• National Highways, M3 junction 9 improvements, updates of 25 September and 27 August 2026
• Hampshire County Council public notices, Winchester area, including the orders for Furzeley Corner, Denmead, B3420 Andover Road and B3041 Bereweeke Road, Titchfield Lane, A334 Botley Road, Shedfield, Durley Street, Durley, B3330 High Street, Winchester, Morestead Hill, Owslebury, Wintershill, Beauworth Road, Beauworth and White Horse Lane, Denmead
• South Western Railway, September and October 2026 engineering work
• GOV.UK, Upgrade to busy Winchester junction takes major step forward
• Winchester City Council, park and ride and park and ride FAQs
• National Rail, Winchester station

Last checked 6 October 2026 against National Highways, Hampshire County Council and South Western Railway’s own notices.