Inca Empire, notably the Wari culture. During the Spanish colonial era, parts of the road system were given the status of . In 2014 the road system became a UNESCO World Heritage Site. In Peru part of the Inca road system crossed the Andes to connect areas of the Inca Empire. North America United States A complex system of prehistoric trails are located at Tumamoc Hill near Tucson, Arizona where archaeological traces have been found including petroglyphs, pottery shards and mortar holes. Chaco Canyon in northern New Mexico consists of fifteen major complexes and a system of trails. Timber beams used to construct the cliff dwellings were hauled long distances to the site along the trails. The sixty-mile long ancient Great Hopewell Road of the Adena, Hopewell and Fort Ancient cultures of Ohio connected the Newark Earthworks to the mound group at Chillicothe.The Natchez Trace is a historic forest trail within the United States which extends roughly from Natchez, Mississippi, to Nashville, Tennessee, linking the Cumberland, Tennessee, and Mississippi Rivers. The trail was created and used by Native Americans for centuries, and was later used by early European and American explorers, traders, and emigrants in the late 18th and early 19th centuries. Today, the path is commemorated by the Natchez Trace Parkway, which follows the approximate path of the Trace, as well as the related Natchez Trace Trail. Parts of the original trail are still accessible and some segments are listed on the National Register of Historic Places. In the American Old West, the Oregon Trail was a 19th-century pioneer route from Illinois to Oregon, much of which was also used by the Mormon Trail and California Trail. The Santa Fe Trail was a major commercial and military artery from Missouri to Santa Fe, New Mexico. In modern times, the Lincoln Highway (dedicated 1913) was the first road for the automobile across the United States of America, spanning 3389 miles coast-to-coast from New York City to San Francisco. The Mojave Road (also known as Mohave Trail) was a historical footpath and pack trail used by pre-contact desert-dwelling indigenous people that was later followed by Spanish missionaries, explorers, colonizers and settlers. Its course ran across the Mojave Desert between watering holes approximately apart. Corduroy road Corduroy roads are made by placing logs, perpendicular to the direction of the road over a low or swampy area, and were used extensively in the