First Great Western say cancellations and disruption will continue into the evening commute after the pair were killed at Slough train station this morning.
Delays have been reduced from an hour to 30 minutes, with disruption expected to continue until at least 6pm.
Slough station has been shut since shortly after the incident at around 9.40am this morning.
Tickets are being accepted on other routes and passengers for Slough are being advised to travel to Langley or Burnham, where bus services are in place.
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