ROAD UPDATING METHOD AND APPARATUS FOR ELECTRONIC MAP, COMPUTER DEVICE, AND STORAGE MEDIUM

A road updating method for an electronic map includes: acquiring a target road in the electronic map, the target road being at least one of an intrinsic upper road or an intrinsic lower road of an overpass; acquiring a target node of the target road, the target node being at least one of a first node or a last node of the target road; acquiring visible points within a preset range of the target node, and determining path lengths between the visible points and the target node; and determining an extended road of the target node according to the path lengths between the visible points and the target node, and updating the electronic map based on the extended road.