The Ministry of Road Transport and highways encourages the use of alternative materials like waste plastic, rubber/polymer modified bitumen for National Highways construction, Municipal Solid Waste (MSW), fly ash and blast furnace slag etc. It is default mode to use waste plastic modified bitumen in periodical renewals on National Highways within 50 km periphery of urban areas having population more than five lakhs. Polymer/rubber modified bitumen is used for surfacing on National Highways subject to its availability and performance.
Solid waste is planned to be used on Delhi-Meerut Expressway after due processing and necessary clearances. Preliminary study was carried by the National Highways Authority of India (NHAI) through Central Road Research Institute (CRRI) at Ghazipur Dump Yard, East Delhi. The report submitted by CRRI found that suitable material from MSW can be processed for its use in construction of embankment..
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