本工程是为了改善XX县城内的交通条件而设计，在红星广场与县汽车站之间修建，将来形成快速通道。隧道全长402.33m，净宽10m,净高6.73m，半园拱形断面，曲墙加仰拱（仅Ⅳ类围岩地段无仰拱），洞门为端墙式。洞内纵坡I=4.4%，受两端连接道路标高及地形控制无法降低，进出口路面设计高程相对高差17.703m，为一超规范要求坡限的单洞双车道隧道。本工程包括洞口工程、洞身工程、路面工程、装饰工程，照明工程等项。地震烈度按6度设防。
XX of this project is to improve traffic conditions within the county seat design, in the Red Square, built between the bus station and the county, will form a fast-track. Tunnel length 402.33m, net width 10m, ceiling height 6.73m, half garden arch section, curved walls plus invert (only Ⅳ surrounding Lot no invert), Portal for the side wall. Cave longitudinal I = 4.4%, subject to both ends of the link road and terrain elevation control can not be reduced, import and export of pavement elevation relative height 17.703m, regulatory requirements for a super single-slope limit of two-lane tunnel hole. The project includes construction hole, hole body works, road construction, decoration, lighting other items. Seismic fortification intensity by 6 degrees.