Nut Tree Airport is a county-owned public-use airport located two nautical miles (3.7 km) northeast of the central business district of Vacaville, in Solano County, California, United States.The airport is near the junction of Interstates 80 and 505. It is adjacent to the Nut Tree retail/commercial development, which replaced a historic US 40 highway stop from which both derive their name.Facilities and aircraftNut Tree Airport covers an area of 262acre at an elevation of 117 feet (36 m) above mean sea level. It has one runway designated 2/20 with an asphalt surface measuring 4,700 by 75 feet (1,433 x 23 m).For the 12-month period ending March 3, 1995, the airport had 101,500 aircraft operations, an average of 278 per day: 98.5% general aviation and 1.5% air taxi. At that time there were 180 aircraft based at this airport: 90% single-engine, 8% multi-engine and 2% jet.