Its track-record to date includes more than 304 miles of tunnels, 11,930 miles of roads (including 2,485 miles of highways), 2920 miles of railroad lines (including 434 miles of high-speed railroads) and 16,994 miles of road maintenance and repair. Responsibilities may include any task related to accounts receivable, accounts payable, month's end process, ticket collection, invoice reconciliation, data entry, payroll, or other administrative accounting duties.