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At a glance

🕐 Last verified 29 Jun, 19:32

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StatusLive
Severity (NH)Moderate
RoadA23
DirectionNorthbound
RegionNorthbound
Category (NH)Congestion
ReportedMon 29 Jun, 19:32
DelaySlow traffic (10 min)
Road typeUrban A-Road
Speed limit20-40 mph (varies)
Weather☁️ Overcast
ReferenceREF-26196783
Views107

Times are UK time.

What National Highways say

A23 northbound between B2031 and A237 | Northbound | Congestion

Location : The A23 northbound between the junctions with the M23 and the A237 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 29 June 2026. Delay : There are currently delays of 10 minutes against expected traffic.

The official National Highways record of this incident, kept here after the road reopens.

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Recent A23 incidents

8 incidents and roadworks logged on the A23 in the last 30 days, 3 of them serious or severe. Times are UK time.

A23 | West Sussex | Carriageway Closure | DelaysSun 6 Sep, 00:56 A23 | West Sussex | Carriageway Closure | DelaysFri 4 Sep, 12:53 A23 northbound between A272 and B2115 | Northbound | CongestionSat 27 Jun, 16:14 A23 northbound between B2031 and A237 | Northbound | CongestionFri 26 Jun, 18:10 A23 southbound between A237 and B2031 | Southbound | CongestionThu 25 Jun, 17:25 A23 northbound between B2031 and A237 | Northbound | CongestionThu 25 Jun, 16:25
Every A23 incident

Common questions

Is the A23 closed?

This incident had not closed the road at 17:37 UK time on Tue 3 Nov 2026, according to National Highways. See the A23 right now.

What happened on the A23 on 29 Jun 2026?

Incident on the A23 northbound in Northbound, reported at 19:32 UK time on Mon 29 Jun. Slow traffic (10 min). Still live.

Where can I see everything else on the A23?

The A23 live page shows what is happening now, and the A23 archive has every incident on record.

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