US Class I railway company Norfolk Southern Railway (NS) is investing over €183.1 million (US$200 million) in the expansion of the 3B corridor in Alabama. The corridor, which is strategically linked to the Port of Mobile, supports important industries such as agriculture, the automotive industry, and steel. The project includes improvements to terminal and track infrastructure, as well as customer-specific projects, and grade crossing upgrades. The expansions are expected to be operational by 2025.