Train services will be disrupted following the the fault which has left all lines blocked.
Train services are being delayed, cancelled or diverted via Barnsley due to a signalling fault at Rotherham Central.
Northern rail have issued a travel update, advising customers of disruptions to their journeys.
Staff are due on site at 5:30pm this evening, when another update will be released once they have assessed the problem.
Disruption is expected until 6pm.
More to follow.