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Project: Ring Road I, Mestarintunneli tunnel and overhaul

Schedule: 2008–2012

Customer: City of Espoo

Location: Espoo, Finland

The Ring Road I motorway contract included a 530-metre road tunnel called Mestarintunneli with four lanes in both directions in two separate tunnels. Tunnel automation consists of traffic control and monitoring equipment, the tunnel’s problem detection system and the monitoring and control of HVAC systems in the tunnel and its immediate surroundings. Traffic arrangements during the project and traffic environment maintenance were also among YIT’s responsibilities.

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