A lane-keep control system for a host vehicle is arranged to execute a
lane-keep control of controlling the host vehicle toward a
deviation-preventing direction of preventing the lane deviation according
to a vehicle traveling condition when there is a tendency of the lane
deviation and to limit the lane-keep control when a determination as to
the tendency of the lane deviation is made under a condition that the host
vehicle is traveling a lane-deviation area deviated from a traveling lane.
