Byfjord & Mastrafjord Tunnels
The Byfjord and Mastrafjord tunnels are 5875 and 4424 meters long subsea road tunnels on the E39 north of Stavanger, respectively. The tunnels were built as part of Rennfast projects in the early 1990s.
Trafsys’ deliverables when the tunnels were upgraded in 2016:
- Trafvision (traffic control and monitoring)
- Local control system (PLC)
- Norphonic emergency phones
- Video monitoring (CCTV)
- Automatisk Incident Detection (AID) based on radars
- Network
- End customer: Norwegian Public Roads Administration
- Customer: Mesta
- Main contractor: Risa
- Deepest points below sealevel: 223 meters (Byfjord) and 133 meters (Mastrafjord)
- Delivered: 2016