Cruise control system and cruise control method thereof

The present invention discloses a traveling control system and a drive control method. Drive control system in accordance with one embodiment of this invention gathers information unit for obtaining road information and traffic information; First path generating unit on the basis of the road information and traffic information, generating a first change path connecting a first lane-changing start point and end point in the first lane change a straight road; And a second path for generating a second change path for generating a driving road corresponding to the actual road from the straight road, and connect the second lane change start point and a second lane-changing exit point from the traveling road based on the road information, It may include; generator.