NH development works will improve road infra Updated: Updated: Centre has approved alignment of various roads in Kollam: MP Share Article Centre has approved alignment of various roads in Kollam: MP Road infrastructure in the district is all set to get a major boost with the takeoff of new projects announced in connection with the national highway development works. According to N.K. Premachandran, MP, Ministry of Road Transport and Highways has approved the alignment of various roads in Kollam for NH development. Along with the new Greenfield Highway, another project for widening the Kollam-Thirumangalan National Highway with modern security measures was given the nod.