The comprehensive evaluation of highway network planning is an important approach of the highway planning in some area and one of the most efficient key means to relax traffic contradiction.
公路网规划综合评价是进行区域公路网规划的重要步骤，是最有效率的缓解交通矛盾的关键手段之一。
2
The rationality and reliability of this approach for geological hazard assessment were proved through applying it to assess the geological hazards of Ranwu to Dongjiu section of Sichuan-Tibet highway.
通过将这种地质灾害评价方法应用于评价川藏公路然乌—东久段的地质灾害，验证了该方法的合理性和可靠性。
3
In high urbanization area, the boundary line of highway and city road approach fuzzy, urbanization brings notable increase of traffic demand.