ATRI: Texas boasts most freight bottlenecks, but G.W. Bridge in N.J. the worst Texas had the most freight bottlenecks in 2020 with 12, according to ATRI's 2021 Top Truck Bottleneck List. California and Washington state were tied for the second most with 8 each.American Transportation Research Institute The intersection of I-95 and New Jersey Highway 4 at the George Washington Bridge in Fort Lee, New Jersey, is once again the worst freight bottleneck in the U.S. for the third straight year, according to research from the American Transportation Research Institute. In its 2021 Top Truck Bottleneck List, ATRI measured the level of truck-involved congestion at over 300 locations on the national highway system. The analysis is based on truck GPS data from over 1 million trucks. The bottleneck locations detailed in the latest ATRI list represent the top 100 congested locations, although ATRI continuously monitors more than 300 freight-critical locations.