The phrase "arriving buses" is correct and usable in written English.
It can be used to describe buses that are in the process of arriving at a location, often in contexts related to transportation or schedules.
Example: "The arriving buses will be at the station in five minutes, so please gather your belongings."
Alternatives: "incoming buses" or "approaching buses".
Arriving on buses from around the country, they wore suits and party dresses for the big day of their ceremonial swearing-in.
The 500 relatives who attended were shielded from the cameras, arriving on buses with blacked-out windows and accompanied by a team of psychologists and counsellors.
Only pilgrims arriving on buses from their parishes will be allowed to attend events in Coventry and Birmingham meaning there will be little presence of other faiths at a non-official level.
Despite a persistent rain, tens of thousands of people, many of them state employees who had been given the day off, showed up, with many arriving on buses from all over the state.
Demonstrators have been arriving on buses from Occupy-related groups around the country, and some observers have suggested that the number of protesters who ultimately appear here will serve as a sign of the movement's current state.
Christian supporters had apparently traveled from across the state many arriving on buses – as conservative advocates and lawmakers pledged to back efforts that would shield county clerks who have denied licenses on religious grounds.
By 1950 city employers were taking advantage of an expanding workforce; thousands were arriving on buses via the newly paved Pan-American Highway, attracted by real economic opportunities along with dreams of urban success.
Similar accounts emerged of armed men dressed in camouflage arriving in buses in Sloviansk and Kramatorsk and storming the police stations.
Similar accounts emerged from Sloviansk and Kramatorsk on Saturday of armed men dressed in camouflage arriving in buses and storming the police stations.
