DUE to roundabout reconstruction and resurfacing, M4 junctions 16 and 18 will be shut or altered.
Narrow lanes with 40mph speed restrictions will be in place on junction 16 eastbound and westbound exit slip roads until October.
Junction 17 eastbound carriageway will be closed overnight from 8pm on June 28 until 6am on June 29, diversion will be clearly signposted.
Details of on going road improvements over the coming week are correct but could be subject to change due to weather conditions or unforeseen circumstances.
All improvement work is carried out with the aim of causing as little disruption as possible.
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