Southern Rail services between Barnham and Horsham are being delayed by around 10 minutes this afternoon (Wednesday February 6).
Problems at the level crossing in Adversane Lane, Adversane are causing the delays between Pulborough and Billingshurst.
The A29 Stane Street in Adversane was partially blocked in both directions due to an accident involving two vehicles, but has now cleared.
Network Rail are currently working on-site to resolve the issue with the level crossing.
More updates to follow.