Federal Highway Administration

Make Type I determination per Federal Highway Administration noise policy.

使I型为联邦公路管理局噪声政策的决心。

The Federal Highway Administration says about a quarter of the country's 607000 bridges are structurally deficient.

联邦高速公路管理局称这个国家607000座桥梁大约四分之一都存在结构缺陷。

The Federal Highway Administration says the number of kilometers traveled on public roads has dropped since late two thousand six.

美国联邦公路总署称，汽车在公共道路上行驶的公里数自2006年年底开始下降。

This paper provides a roadmap for the Federal Highway Administration's ( FHWA) Dynamic Traffic Assignment ( DTA) research project.

介绍了美国联邦公路局（FHWA）支持的动态交通分配（DTA）研究项目的发展概况。

Highway traffic noise prediction model is deduced and analyzed. It is indicated that the FHWA model originating from USA Federal Highway Administration is an approximate representation.

对公路交通噪声预测模型进行了分析推导，指出美国联邦公路局FHWA模型为近似表达式，并给出了精确表达式。