Original: Road game (short for on the road), more commonly known as an away game, is a reference to all cities and stadia/arenas/fields/venues where an athletic team plays games for which it is not the host.
Simplified: Road game (short for on the road), better known as an away game, is a reference to all cities and stadia/arenas/fields/venues where an athletic team plays games for which they are not the host.