that aim to improve ventilation and safety (Image: Liverpool City Region Combined Authority) Located along the roof of the tunnel, the fans provide a critical function by keeping fresh air flowing ...

The fans will use the duct, built below the platforms, fitted steel nozzles to push or draw smoke as well as pump in fresh ...

As Colorado Department of Transportation officials were contemplating closing the westbound bore of the Eisenhower-Johnson ...

The Colorado Department of Transportation (CDOT) had prepared to close the westbound portion of the Eisenhower Johnson ...

“By heating the gas with an electric arc, [this type of tunnel] can generate hot air flows reaching thousands to tens of thousands of degrees Celsius,” the project team, led by senior ...