The integrated campaign will include door-drops, outdoor, paid-for listings and on-station activity. The door-drop will target around 350,000 households in the M25 area.
The campaign kicks off this month, with new bursts of activity in May and September.
Communique 360 won the brief following a four-way pitch.
Andy Shingler, head of marketing for One, said: "Communique 360 has extensive experience in the leisure and travel arena and impressed all the decision makers on this side of the table.
One is the new company operating train services for London and the east of England.
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