How will the implementation of autonomous and cooperative car technology effect management, operation and safety in tunnels. And what issues have to be considered when it comes to tunnels? The purpose of starting a work with Intelligent Traffic Systems (ITS) station concept has been to establish a method of communicating between tunnel and vehicle using a standard platform.
Road authority are seeking smarter tunnels to meet new requirements from the autonomous and cooperative car technologies. Its important to consider opportunities and consequences for design, technical systems and operations in tunnels. Digital technologies have developed rapidly over the past years and they are increasingly being introduced in transport. While Intelligent Transport Systems (ITS) focus on digital technologies providing intelligence placed at the roadside or in vehicles, C-ITS (Cooperative Intelligent Transportation Systems) focuses on the communication between those systems – whether it is a vehicle communicating with another vehicle, with the infrastructure, or with other C-ITS systems.
New research from Belgium conclude that mobile fans can be used for controlling smoke in tunnels. However there are limitations on how effective mobile fans is, but also the conditions that which is the basis for research. However mobile fans are so much more than a single fan, it can provide additional water, have adjustment options in height and be used to move vehicles and debris.
Cavidrain® is a preformed geocomposite drainage system designed to relieve water penetration and reduce hydrostatic pressure within tunnel constructions. A satisfactory tunnel design anticipates drainage needs by managing the build up of hydrostatic pressure on the waterproofing layer and by transporting water away in the tunnel invert.
Norway is first to close down the FM broadcast in favour of Digital Audio Broadcast (DAB) technology. A bold decision that have raised a lot of questions about installation, reception conditions and safety issues for the road users. About 40% of the radio listening is from a car in Norway. DAB will therefore not be a full range of radio offer without reception conditions in the tunnels.