US Patent 10214211 Drive control apparatus

A drive control apparatus includes: an inter-vehicle distance sensor configured to detect an inter-vehicle distance D of an own vehicle and a preceding vehicle; an inter-vehicle distance arithmetic unit; a follow driving control unit configured to perform control of acceleration or deceleration of the vehicle such that the inter-vehicle distance D coincides with a target inter-vehicle distance Dtr; a camera configured to detect the number of lanes N of a road L; an image processing unit; and a lane number determining unit. The follow driving control unit performs control of acceleration or deceleration at a maximum acceleration or deceleration Gmax according to the number of lanes N.