This bill adjusts the federal pay grades for railroad safety inspectors and specialists employed by the Department of Transportation. Specifically, it raises the standard pay grade for rail safety inspectors from GS-12 to GS-13 and increases the advanced grade from GS-13 to GS-14 on the federal General Schedule pay system. The bill affects federal employees who conduct railroad safety inspections and specialists in that field. Within 180 days of the bill becoming law, both the Office of Personnel Management and the Secretary of Transportation must update their job classification systems and documentation to reflect these new higher pay grades. The bill does not specify funding amounts but represents a salary increase for these federal safety inspection positions.