The road conditions are smooth, and most often light traffic is expected with an exception of roadwork or road closures. The route passes through Panipat, Karnal, Kurukshetra, Ambala, Chandigarh, and Solan and ends in Shimla, via NH 44, 152, and 5, Roads to Shimla are pretty wide and in very good condition. You will have no problems driving on this route. It gets risky and heavy snow and lots of tourists lead to traffic jams on the slippery roads of Shimla.