Explanation:

Haryana has a total road length of 26,016 km. There are 15 National Highways (NH) with total length of 3166 km and many State Highways (SH) with total length of 1,801 km. The most remote parts of the state are linked with metalled roads. Grand Trunk Road, commonly abbreviated to GT Road, is one of South Asia's oldest and longest major roads. GT Road is a part of NH-1.
It passes through the districts of Sonipat, Panipat, Karnal, Kurukshetra and Ambala, in North Haryana, where it enters Delhi and subsequently the industrial town of Faridabad on its way. Haryana and Delhi Government has also constructed Delhi-Gurgaon Expressway, which has the largest toll plaza in India. Haryana is well connected on the railway network also.