Doctors appointment when the traffic backup began. Usually hes able to dart around. Im actually ahead of everybody so i can see the tunnel from here. All the ambulances. But now im kind of like stuck because i can see its closed. Reporter by 11 30 everything was back up and running. Now for those abandoned cars, cal trans towed them to a spot that people can pick them up later in the evening. Seeing smoke and flames inside the caldecott tunnel today was especially frightening for drivers who remember that deadly tanker fire inside one of the bores that happened back in the 80s. Alex savidge here now with a look at the safety plans in place today. Alex. Reporter the three existing bores of the caldecott tunnel have a series of safety features including a complex ventilation system and also warning signs for drivers. All of this put in place after that deadly fire 30 years ago. Today a spokesman for cal trans told me the tunnel Safety System steams to have done the job today. [ inaudible