The following summary of planned new and ongoing road improvements over the coming week is correct as of the above date but could be subject to change due to weather conditions or unforeseen circumstances. 

Bristol
M49 Avonmouth: new junction scheme
Narrow lanes will be in place until 30 September 2018.

M4 junction 19:resurfacing
Westbound carriageway will be closed overnight between exit and entry slip roads, 8pm to 6am, on 20 and 22 August. 
Westbound exit slip road will be closed overnight from 9pm on 21 August until 6am on 22 August. Lane closures on main carriageway will also be in place.  Clearly signed diversions will be in place.

M4 Prince of Wales Bridge:carriageway repairs
Eastbound carriageway will be closed overnight from 8pm on 22 August to 5.30am on 23 August.  Diversion via M48 Severn bridge will be in place.

Cornwall
A30 Tolvaddon, west of Redruth: drainage work
Westbound exit slip road will be closed nightly, 9pm to 6am, on 22 and 23 August. Clearly signed diversions will be in place.

Devon
A38 Deep Lane to Marsh Mills, Plymouth: drainage work
Lane closures and a 50mph speed limit will be in place until October 2018. 
Eastbound carriageway will be closed overnight from 8pm on 22 August to 6am on 23 August.  Westbound carriageway will be closed overnight from 8pm on 23 August to 6am on 24 August.  Clearly signed diversions will be in place.

Gloucestershire
A40 Over: roundabout improvement scheme
Daytime lane closures will be in place, 9.30am to 3.30pm, until 23 August and will be reinstated after the Bank Holiday weekend until 31 August.