• Automatic Section Speed Control in Tunnels : Effect on speed and accidents 

      Ragnøy, Arild (Statens vegvesens rapporter;142E, Report, 2013-04)
      Trials with Automatic Section Speed Control – ( ASSC) have been carried out in four different tunnels in Norway. The effect on speed has been measured. The reduction is between 3 km/h and 10 km/h. The largest reduction is ...