一路平安

yīlùpíngān
  1. to have a pleasant journey
  2. Bon voyage!

CEDICT

Entry Composition

1 一路 yīlù
  1. the whole journey
  2. all the way
  3. going the same way
  4. going in the same direction
  5. of the same kind
2 平安 píngān
  1. safe and sound
  2. well
  3. without mishap
  4. quiet and safe
  5. at peace