The railway signaling market is estimated to be USD 21.99 billion in 2026 and is projected to reach USD 32.60 billion by 2033, at a CAGR of 5.8%. The railway signaling market is expected to gain momentum from the replacement of aging relay-based interlocking across high-density and highly utilized railway corridors, as infrastructure managers increasingly migrate toward electronic architectures that support higher traffic intensity and integration with advanced train-control systems.