restricted international airport. The arrival of several low-cost carriers and a number of new destinations have caused a growth in air traffic in recent years, as has an improvement in the situation with regard to law and order. For the period April to December 2009 the airport ranked first in a survey of 46 airports in the country in terms of percentage growth of domestic passengers as well as domestic aircraft movement. New airport is expected to be built at Bihta. Flights are unable to land at the Patna airport during a foggy weather.
Road
The city is served by several major road highways and state highways, including National Highways 19, 30, 31, and 83. It is 1,015 kilometres (631 mi) from Delhi, 1,802 kilometres (1,120 mi) from Mumbai and 556 kilometres (345 mi) from Kolkata. Luxury bus service between Patna and several neighboring cities is provided by the Bihar State Tourism Development Corporation and the Bihar State Road Transport Corporation.
Water
Patna has a fixed terminal on National Waterway No. 1 which was established in October 1986. This 1,620 kilometres (1,010 mi) route of navigable water runs from Haldia on the Bay of Bengal, across the extremity of Jharkhand province, across the centre of Bihar and then to Allahabad in Uttar Pradesh
