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Service updates in train.io

The new train.io experience contains live status updates for all mainland UK train operating companies. This page explains how to read these service updates, how we determine these status updates and what sort of disruption events are categorized into their respective service update status.

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Generally a good service

If you see this green tick symbol displayed next to a train operating company, this means that the respective operator is running a generally good service, with most train services running either on time, or with delays of less than 15 minutes. This tick may also be displayed if there is an issue on the line, but isn't affecting most services.

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Some minor disruption is to be expected

If you see this yellow warning symbol displayed next to a train operating company, this means that the respective operator is running with minor delays of 15-29 minutes on several services, and may have disruptive events happening across the network. This can be displayed when an operator delares CSL2 Yellow Status or CSL2 Red Status, with delays of less than 30 minutes. 

Examples of delays that can cause train.io to show a yellow triangle next to the respective operator are points failures, minor overhead wire damage and route diversions.

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Major disruption is to be expected

If you see this red cross symbol displayed next to a train operating company, this means that the respective operator is running with major delays of 30 minutes or more  on many services, some trains may have been cancelled, and may have disruptive events that are having a major impact across the network. This can be displayed when an operator delares CSL2 Red Status for delays over 30 minutes and with cancellations or CSL2 Black Status, which is when an operator cannot run to their advertised timetable and are expected to have a very lengthy delay. Some of the first and/or last train services of the railway operating day may also be revised, delayed and/or cancelled.

Examples of delays and cancellations that can cause train.io to show a red cross next to the respective operator are major points failures, damage to overhead line equipment, fatalities and signalling blackouts.

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train.io cannot determine the service status

If you see this grey crossed symbol displayed next to a train operating company, this means that train.io is currently unable to determine a service status. This can happen if there is a disconnect between train.io and our service update provider.
For this, we would recommend you check the train operators website for the latest updates.

How train.io determines a disruption event

train.io puts a service disruption icon in the event of a train operating company declaring what is called in the railway industry as CSL2 (Customer Service Level 2). These are determined as three status levels, Yellow Status, Red Status and Black Status.

If an operator declares CSL2 Yellow Status or CSL2 Red Status (if delays are less than 30 minutes), the operator will have a yellow triangle next to it within the train.io service.

If an operator declares CSL2 Red Status (if delays are more than 30 minutes and include cancellations) or CSL2 Black Status, the operator will have a red cross next to it within the train.io service.

A few examples of what train.io would display

The below examples are just those, examples. These do not represent the live current running of the network and are scenarios.

Thameslink

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A crew shortage is affecting Thameslink services south of Finsbury Park. Because of this, Thameslink are diverting trains into London Kings Cross.

Thameslink have not declared CSL2, however because of multiple diversions into London Kings Cross, a yellow triangle has been shown in train.io.

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ScotRail

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Falkirk Grahamston station is closed due to an earlier incident. Because it's just one station affected, and not most ScotRail trains, they have not declared CSL2.

train.io interprets this as running a generally good service.

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CrossCountry

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Grand Central

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LNER

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TransPennine Express

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A major signalling blackout has occurred within between Thirsk and York on the East Coast Mainline.

Several operators have declared CSL2 Red Status or CSL2 Black Status due to this, as services cannot run through this section of the route safely.

Trains may be terminated early, run on a diversionary route with significant delays or be cancelled throughout. There may also be rail replacement options in place, or ticket acceptance with other operators on any reasonable route.

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