On any normal day, this route takes around eight hours, assuming normal traffic.
Road till DehraDun is mostly plain, except for the last 20km when Mohand starts. Mohand is the hilly and forest area just before the entrance into Doon valley. DehraDun to Mussoorie is mostly hilly drive, with a lot of turns.
Popular points for snacks between Delhi and DehraDun are Haldiram, Bikanerwala, KFC, Grand Cheetal. There is also Pandit Dhaba, which is famous for fresh tea and rice kheer.
DehraDun to Mussoorie – Its 35km drive from Rajpur Road. The route is full of turns and is hills.