Providing incentives to improve freight railroad infrastructure.

SB 5063 creates a tax credit program for Washington state rail infrastructure improvements. It provides a 50% tax credit against state taxes for eligible rail operators (including class II/III railroads, port/city-owned rail, and industrial spur owners) on qualifying maintenance, new construction, and modernization costs. Credits are capped at $500,000 per company annually and $8 million statewide, with unused credits carryable for up to five years or transferable to other taxpayers. The bill directly affects smaller rail carriers and industrial facilities by reducing costs for upgrading tracks, bridges, and safety infrastructure to support modern freight needs.