The construction work of the Delhi-Dehradun Expressway will be complete by the end of December this year, reducing the journey time between the two cities to two hours, Minister of Road Transport and Highways Nitin Gadkari said. “Work on the Delhi-Dehradun Expressway project will be over by December end and from January 1 next year people will be travelling from Dehradun to Delhi in just two hours,” Gadkari said during a visit to Parmarth Niketan Ashram in Rishikesh on Sunday.