Motor-vehicle and non-motor-vehicle separation road and basement compound system for residential communities in dense road network small blocks

The invention discloses a motor-vehicle and non-motor-vehicle separation road and basement compound system for residential communities in dense road network small blocks. The compound system is characterized by comprising a first road, a second road, a third road, a fourth road, a community region, a slow-moving preference road and a city branch road, wherein the first road is in parallel with the second road; the third road is in parallel with the fourth road; the first road is crossed with the third road; the community region is surrounded and formed by the first road, the second road, the third road and the fourth road; the slow-moving preference road is in parallel with the third road and arranged in the center of the community region; the city branch road is in parallel with the first road and arranged in the center of the community region; a motor way down-traversing region is arranged in the crossed position of the city branch road and the slow-moving preference road so as to enable the city branch road to traverse the part below the slow-moving preference road.