Motorways: NHA debuts new technology

ISLAMABAD: The National Highway Authority (NHA) has introduced new technologies and non-conventional materials for the first time in Pakistan on national highways and motorways. An official of NHA told APP that the new technologies introduced included hot & cold recycling of asphalt concrete pavements, polymer modified bitumen, and crumb rubber modified bitumen. He said that these technologies entail technical advantages of varied nature and also helps save cost. He said that the NHA follows an in-place code of practice during construction of new highways and maintenance of existing roads.

Published in The Express Tribune, June 16^th, 2016.