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Train control system screen display – route information

Issue number: RO-2013-009-SI-01
Who it affects: Infrastructure managers
Issue owner: Australian Rail Track Corporation
Operation affected: Rail: Operations control
Background: Investigation Report RO-2013-009
Date: 04 September 2014

Safety issue description

The train control system screen display provided no direct indication to the network control officer that one section of the established route was dual-gauge and another section single-gauge.

Proactive Action

Action organisation: Australian Rail Track Corporation
Action number: RO-2013-009-NSA-059
Date: 04 September 2014
Action status: Closed

The network control officer currently receives a warning dialogue box if the train gauge and route selected are incompatible. The signal interlocking will hold the signal at stop if the route selected and train gauge are incompatible.

ATSB response:

 

Correspondence

Date received: 06 May 2013
Response from: Australian Rail Track Corporation
Action status: Closed
Response text:

On-screen gauge alert

The train control system software has been modified to provide for an acknowledgable on-screen alert in the event that a network controller attempts to set a route that includes the wrong gauge for the train that is to use it.

ATSB response:

The ATSB is satisfied that this proposed action will adequately address the safety issue.

Proactive Action

Action organisation: Australian Rail Track Corporation
Action number: RO-2013-009-NSA-060
Date: 19 August 2014
Action status: Closed

ARTC will investigate with the Train Control System provider (Ansaldo) the option of removing the ‘route set’ functionality from the screen display where there is incompatibility between the route selected and the train gauge required.

ATSB response:

The Australian Transport Safety Bureau is satisfied that the action taken by ARTC adequately addresses the safety issue.

   
Current issue status: Adequately addressed
Status justification:

A clearly visible and audible on-screen alert for the network controller can be expected to contribute towards preventing a recurrence of this incident.

 
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Last update 25 February 2015