This is the 8786th most frequent Russian word.
поехал
"Поехал" means "went" or "set off" (by vehicle).
'Поехал' denotes a past tense action implying motion to a destination, from the verb 'поехать' which means 'to go (by transport)'.
Я поехал в Москву вчера.
I went to Moscow yesterday.
'Поехал' here stresses the means of transport (bus) and emphasizes the action of setting off to work.
Он поехал на работу на автобусе.
He went to work by bus.
'Поехал' in this sentence indicates a return trip after a specific event, with emphasis on the act of leaving to go home.