Intermodal Surface Transportation Efficiency Act
（重定向自ISTEA）
![The high-speed corridors designated under ISTEA closely correspond with grants given under the American Recovery and Reinvestment Act—seventeen years later.](/Images/godic/202501/21/ARRA_High_Speed_Rail_Grants_Details1101.jpg")
The Intermodal Surface Transportation Efficiency Act of 1991 (Public Law 102-240; ISTEA, pronounced Ice-Tea) is a United States federal law that posed a major change to transportation planning and policy, as the first U.S. federal legislation on the subject in the post-Interstate Highway System era.