M4 fast slip from M4 J4 westbound exit to M4 spur (Heathrow) southbound | Westbound | Road Works

Location : The M4 westbound exit slip at junction J4 for Heathrow. Reason : Roadworks are planned. Status : Pending. Schedule : From 22:00 on 17 March 2025 to 05:30 on 18 March 2025. Schedule : From 22:00 on 20 March 2025 to 05:30 on 21 March 2025. Schedule : From 22:00 on 23 March 2025 to 05:30 on 24 March 2025. Lanes Closed : All lanes will be closed.