Stagecoach South East said bus services in Malvern Way have been stopped after reports children threw stones at a bus.
Manor Road in Worthing is reported as shut between Lansdowne Road and Heene Road both ways while gas main work is carried out.
The A259 Worthing Road will be closed for pothole repairs overnight from 8pm to 4am on February 19 to 21 between Arundel Road and Horsham Road, West Sussex Highways said. Diversions will be in place.
No trains will run between London Victoria and East Croydon while Network Rail carry out works this weekend, Southern Rail said.