Knowledge of smoke spread ... these large-scale tunnel fire tests provides the basis for the technical standards and guidelines used for tunnel design today. In this chapter an overview and analysis ...

Video of crews working on the fire shows smoke moving in a very specific direction out of the Downtown Tunnel in Portsmouth.

Video of crews working on the fire shows smoke moving in a very specific direction out of the Downtown Tunnel in Portsmouth. For some, it was a good indication that the fans in the tunnel worked.

According to VDOT, around 5 p.m. a "high impact incident" occurred leading to a vehicle fire in the downtown tunnel.

A vehicle fire in the eastbound side of the Downtown Tunnel closed both eastbound and westbound sides Tuesday afternoon, the ...

A tractor-trailer fire near the southbound tubes of the Fort McHenry Tunnel caused significant disruptions ... with plumes of smoke visible at the scene. The incident caused severe traffic backups ...

Images of the scene in local media showed huge flames and plumes of smoke rising from the tunnel, as hundreds of firefighters battled to bring the blaze under control. The fire started when a bus ...

Units from Portsmouth, Norfolk and the Navy Regional Fire Rescue responded to the car fire. Heavy smoke and flames could be seen in the eastbound tunnel as of 5:03 p.m., and firefighters could be seen ...