Prime Minister Sheikh Hasina will inaugurate the four lane Dhaka-Chittagong highway and the four lane Joydebpur-Mymensingh highway on July 2 next.Road Transports and Bridges Minister Obaidul Quader said this at a press conference at the Secretariat on Thursday.The Prime Minister will inaugurate the two four lane highways through video conference at Bangabandhu International Conference Centre (BICC) in the capital around 11am on July 2, he said.The opening of the two four lane highways will strengthen the road transports network of the country, and will reduce transport cost, traffic congestion, accidents, said the minister.