Dublin Port Tunnel — Toll Plaza Maintenance

Carra delivers round-the-clock tolling maintenance for Dublin Port Tunnel

The Dublin Port Tunnel and toll plaza, managed by Transroute Tunnel Operations (TTO), serves as a key route for traffic entering and exiting Dublin Port. TTO oversees toll collection, traffic management, safety systems, equipment inspections and emergency planning. Carra has long been a core engineering partner, providing full maintenance and upgrade services for tolling equipment.

The Challenge

TTO required:

  • All-hours engineering support for electro-mechanical and ICT tolling equipment.
  • Preventative and corrective maintenance across thirteen toll booths and lanes.
  • A two-hour response time for critical failures.
  • Support for the central server room, control room and cash room.
  • Regular hardware and software maintenance.
  • A partner capable of delivering upgrades using modern technologies.

The system needed to run reliably with minimal downtime.

Carra’s Solution

24-hour engineering support

Carra engineers provided responsive maintenance for all tolling systems, including lane equipment, servers and control-room infrastructure.

Preventative and corrective maintenance

Activities included scheduled hardware checks, software servicing and rapid repair of faults affecting operations.

Equipment upgrades

Carra introduced modernised technologies including:

  • New tag reader masts and antennae.
  • An upgraded toll plaza CCTV system.
  • A digital CCTV platform with 36 cameras and a video storage server.

Specialist team

All engineers were trained in:

  • Traffic management
  • Health and safety
  • Tolling system technologies

They were also fully equipped with appropriate tools, vehicles and insurance cover.

Benefits for TTO

Reliable, compliant operation of all toll lanes during standard hours.

Predictable maintenance delivered under a quality management regime.

Reduced operational risk due to rapid response times.

A modernised environment using updated CCTV and tag-reading equipment.

Access to experienced tolling specialists familiar with the full range of plaza technologies.

Why Carra?

Carra has a strong record in tolling technology, covering traffic classification, counting systems, CCTV, barriers, intercoms, over-height detection and access control. The company’s approach helps operators manage running costs while keeping equipment in dependable condition.

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