road warrior

Short definition from Wiktionary

Noun

1. 1
   A frequent business traveller.
2. 2
   A salesperson who spends a lot of time traveling and outside the office.
3. 3
   A person who carries a mobile device such as a laptop or PDA and uses wireless internet connections to work.
4. 4
   A recreational cyclist who rides a racing bicycle and wears lycra.