一路走好一词多义，有如下含义：
1.（相当于）一路顺风Wish you a happy voyage.Have a nice trip.Have a good trip.Safe trip wherever you go.Bon voyage.A better send-off.
2.前途光明Have a nice future.Have an everbright future.
3.为/对与世长辞的逝者祝福，相当于“安息”Farewell to the passed.god bless to the dead.All the way well.May the dead rest in peace.Laid to rest.
