The mountainous terrain, geology, hydrology, climate conditions are very complicated, there are many problems existing in the highway alignment design.
山区地形、地质、水文、气候条件十分复杂，在山区高速公路线形设计方面必然存在诸多问题。
2
Based on field data of Hanjiaya slope in wuhan-shiyan highway, the engineering geology database is set up for scientific management.
根据汉十高速公路韩家垭边坡工程的特点，建立了工程地质信息库对地勘资料进行科学管理。
3
GPS control survey, digital photogrammetry, remote sensing geology and CAD are the new technologies used for highway planning, survey and design, both at home and abroad.