Division 2.3.7 X1
United Kingdom
In existing tunnels longer than 1 000 metres, with a traffic volume higher than 2 000 vehicles per lane, the feasibility and effectiveness of the implementation of new emergency exits shall be evaluated.
United Kingdom
In existing tunnels longer than 1 000 metres, with a traffic volume higher than 2 000 vehicles per lane, the feasibility and effectiveness of the implementation of new emergency exits shall be evaluated.