Scotland Rail Crews Respond to Signal Fault

Signalling fault between Paisley Gilmour Street and Kilwinning disrupts Ayrshire rail routes

2026-04-21, Moovit News Team

Signalling Fault Disrupts Ayrshire Rail Services

Commuters across Ayrshire faced rush-hour delays Tuesday after a signalling fault disrupted multiple rail routes. Network Rail is responding to a signalling failure between Paisley Gilmour Street and Kilwinning, affecting trains running between Glasgow Central and several coastal destinations. The incident occurred during peak travel times, impacting journeys for passengers heading to work and school.
ScotRail train at Paisley Gilmour Street station platform with passengers waiting during service disruption

Multiple Routes Affected

The signalling failure has impacted rail routes across the Ayrshire region, according to Network Rail. ScotRail advised that trains running between Glasgow Central and Gourock, Wemyss Bay, Ayr, Largs, and Ardrossan Harbour may be cancelled, delayed or revised. The organization apologized to passengers waiting for or traveling on affected services. Network Rail engineers are working to find and fix the problem as quickly as possible, officials said.

Service Modifications and Timeline

ScotRail has implemented ticket acceptance between Johnstone and Glasgow Central to help passengers complete their journeys during the disruption. Disruption at Paisley Gilmour Street is expected to continue until 2pm, officials said. The signalling fault between Paisley Gilmour Street and Kilwinning has required engineers to diagnose and repair the technical issue affecting the rail network's signal system. Officials didn't specify how many trains have been cancelled or the total number of passengers affected.
Network Rail signalling equipment and railway tracks between Paisley Gilmour Street and Kilwinning stations

Repair Work Underway

Network Rail engineers are working to resolve the signalling failure as quickly as possible, the agency said. The technical fault has required specialists to locate and repair the problem in the signal system that controls train movements between the two stations. Officials said they're prioritizing the repair to minimize disruption, though they haven't provided details about what caused the initial failure.

Passenger Information

Passengers traveling on affected routes should expect continued delays and cancellations until repairs are complete. Officials advised riders to check for updates on their services before traveling. The disruption has particularly affected commuters during peak morning travel times. Moovit provides real-time updates for ScotRail services, helping riders track delays and find alternative routes during service disruptions.