Chennai Metro Rail at Koyambedu by KARTY JazZ via Wikimedia Commons

The new Metro line to Chennai airport just opened in India. The fare to downtown is zone-based; expect to pay 40-50 rupees (50-75 cents) each way.  For more information:  chennaimetrorail.org

— Ed Perkins, editor

For more travel tips from Ed Perkins, see our companion site Ed on Travel