青兰高速公路河北邯郸至涉县段全长99.1公里,桥隧路段占路线总长的40%。其中马鞍山隧道、井沟岭隧道和鼓山隧道组成的隧道群总长达11771.2米。马鞍山隧道长4.3公里,最大埋深307米。
The length of the
section from Hebei Handan to Shexian of Qingdao-Lanzhou Expressway is 99.1km,
the bridge and tunnel sections account for 40% of the total length of the
route. The total length of tunnel group consisted of Maanshan Tunnel,
Jinggouling Tunnel and Gushan Tunnel is 11771.2m. Maanshan Tunnel is 4.3km long
with a maximum burial depth of 307m.