A multi-vehicle crash has partially blocked the A27 Shoreham bypass westbound after the A283 Steyning Road (Steyning turn off), causing queuing traffic.
There is very slow traffic due to sunny weather on A286 Stockbridge Road Eastbound from Dell Quay Road to A27 Chichester By Pass (Stockbridge Roundabout).
Traffic is queueing due to sunny weather on A27 Chichester By Pass both ways at the A259 (Bognor Bridge Roundabout).
There are also reports of very slow traffic due to stalled truck on B2123 Falmer Road Southbound around Warren Road, affecting traffic from the A27 at Falmer. The road is reported to be partially blocked.
A three vehicle crash on the A259 Little Common road has left it partially blocked with traffic queuing both ways near the B2182 Cooden Sea Road (Wheatsheaf Inn).
Pook Lane is reported as shut but there is no other information available about the closure.
In Barnham, water mains work has closed B2233 Barnham Road both ways between Lake Lane and Gospond Road.
In Worthing, one lane is closed on Tarring Road, near West Worthing Railway Station, due to ongoing telecoms work.
Water mains work is taking place on B2195 Harwood Road both ways between Horsham Railway Station and Kings Road. A closure has been put in place by Southern Water.
One lane remains closed due to construction on M23 Northbound at J10 A264 Copthorne Way (Crawley). Lane one (of three) is closed.
The B2165 remains closed both ways between Watts Palace Lane and Watermill Lane, outside Rye, due to water mains works.
In Crowborough, Whitehill Road is closed due to construction on Whitehill Road both ways between Fermor Road and Mill Lane.
College Road in Seaford remains closed both ways from Corsica Road to Cricketfield Road due to gas main works.
In Brighton, Madeira Drive and Dukes Mound remains closed between Palace Pier and Sussex Square due to coronavirus restriction measures.
Southern Rail said a broken down train at Horsham is causing delays and cancellations.
All lines have now reopened, train services running through the station are returning to normal but some may still be cancelled or delayed.