Tarmac is a type of road surface made from a mixture of crushed stone and tar. It is commonly used for paving roads, parking lots, and airport runways. The name "tarmac" comes from the term "tarmacadam," which was developed by engineer John Loudon McAdam in the 19th century. This material provides a durable and weather-resistant surface. In addition to its use in road construction, tarmac is also associated with airports, where it is used for runways and taxiways. The smooth surface allows for safe takeoffs and landings of aircraft, making it essential for the aviation industry. Proper maintenance of tarmac surfaces is crucial for safety and longevity.