Green Routes to Work Act - Amends the Internal Revenue Code to: (1) equalize and increase to $230 the tax exclusion for both transportation and parking fringe benefits; (2) make the increased transportation fringe benefit available to federal employees; (3) make self-employed individuals eligible for transit pass fringe benefits; (4) include employer-established parking cash-out programs as a qualified transportation fringe benefit; (5) allow a general business tax credit for 10% of the cost of a commuter van , with a seating capacity of between 8 and 15 adults that is placed in service before 2013; (6) allow employers a refundable tax credit for providing tax-free transit passes to employees; (7) allow a general business tax credit for expenditures to improve access for bicycle commuters; (8) allow employees to receive transit passes and reimbursements of bicycle commuting expenses as tax-exempt employer-provided fringe benefits in the same month; (9) allow an empoyer's election to expense the cost of removing architectural and transportation barriers to bicycle commuter access to employer facilities; and (10) allow a tax credit for teleworking expenses, up to $400 per year.