General
Accident Investigation Summary Report HQ-2023-1843
On April 27, 2023, at approximately 12:01 pm CDT, BNSF intermodal Train-25 derailed at Milepost (MP) 268.8 on BNSF’s Chicago Division, Aurora Subdivision in De Soto, Wisconsin. The train was 5,060 feet, weighing 3,809 tons, and was conventionally configured with three headend locomotives...
Improved Polymer Composite Tie Performance
For regions experiencing high rot and decay, engineered-polymer composite (EPC) ties offer a potential alternative to solid-sawn timber ties. However, these ties have a history of inconsistent performance and existing AREMA laboratory qualification testing have not proven effective in...