Traveling from Delhi to Dehradun (approx. 240-300 km) is best done via train (~5-6 hrs) or bus (~6-7 hrs), with the new expressway expected to significantly reduce travel time. Trains offer comfort from major stations like NDLS/NZM, while frequent buses (AC/Non-AC) depart from ISBT Kashmiri Gate or Anand Vihar.Booking Options & Key Details:Trains: Popular choices include the DDN Shatabdi (12017), Janshatabdi (12055), and Mussoorie Express (14041), offering fast and comfortable travel. Tickets can be booked via the IRCTC website or apps like MakeMyTrip or RailYatri.Buses: Frequent services by UTC and private operators (NueGo, Zingbus, IntrCity) offer seating/sleeper options. Book via redBus or Goibibo.Cabs: Dedicated private taxis (Uber Intercity) or shared cabs (inDrive) offer doorstep service and can be booked via their respective platforms.Travel Time/Distance: Roughly 6 hours via road (approx. 240-267 km).Best Time to Visit: March to June is ideal for good weather, according to Saitaxiservice.Ensure you book in advance, especially during weekends or peak seasons.