ANSWER:

You should pray witr even while traveling. 

You should not pray the Sunnah of dhuhr, Maghrib and isha as Prophet salla Allahu Alaihi wa Sallam used to skip these while traveling. Other than that, you can pray as many voluntary prayers as you want, including 2 Sunnah before Fajr and Witr as Prophet salla Allahu Alaihi wa Sallam never missed these even while traveling.

I am in Makkah doing my Hajj came from UK do I have to read witr after Isha, some say you must some say you don’t which is right sunnah