There are delays and disruption on trains between Woking and Surbiton as emergency services deal with the incident.
Person hit and killed by train at Woking railway station
Lines reopened shortly after 11am. However, passengers were warned to expect residual disruption into the afternoon.
Trains came to a standstill between Woking and Surbiton on Tuesday morning following reports of a person having been hit by a train.
All lines were blocked while the emergency services responded to the incident at around 9.30am said South West Trains (SWT).
SWT added there could be alterations and revisions to service at short notice, as well as cancellations, while some trains would not be able to call at some stations between Woking and Surbiton.