据美国联邦公路管理局 Federal Highway Administration
修复所有这些桥梁会，美国联邦公路管理局预测，耗资数百亿美元。
Fixing all those Bridges would, the Federal Highway Administration predicted, cost tens of billions of dollars.
美国联邦公路管理局(FHWA)发布了行人安全研究与技术转让15年计划。
The U. S. Federal Highway Administration (FHWA) has released a 15-year plan for pedestrian safety research and technology transfer.
美国联邦公路管理局发布报告，探讨了工程对策在改善自行车和行人交通安全方面的效能。
The U. S. Federal Highway Administration has released a report that explores the effectiveness of engineering countermeasures in improving safety and operations for pedestrians and bicyclists.
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