What is the width of a pavement of 2 lane national highway ? September 2, 2024 – by admin 0A. 3.75 mB. 7.0 mC. 8.80 mD. 3.00 mExplanation: The width of a pavement of a two lane national highway is 7.0 m, for single lane it is 3.75 m and including parapet it is 8.8 m.