Rigby Yard is a classification yard in South Portland, Maine, operated by Pan Am Railways, a subsidiary of CSX Transportation.
It was originally constructed between 1922 and 1923 on the site of the former Rigby Park by the Portland Terminal Company, a subsidiary of the Maine Central Railroad.
[1] As built, it had capacity for over 2,000 railroad cars at a time.
[2] The yard handled up to 75,000 railroad cars per year during the 1980s, with operations by both the Boston and Maine Railroad and the Maine Central.
[1] After its 2022 acquisition of Pan Am, CSX undertook construction on the yard to reduce the number of derailments.