Question: Do people still walk the Inca Trail?
About the article "Machu Picchu", section "Roads and transportation".

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Chilean Inca trail ("El Camino del Inca en Chile") is a local and popular term among local tourism initiatives and Chilean anthropologists and archaeologists for the various branches of the "Qhapak Ñan" (the Inca road system) in Chile and its associated Inca archaeological sites. 
Although the original Inca city was said to have been founded in the 11th century, more recently scholars have established that Inca did not occupy the area until after 1200 AD.
Before them the indigenous people of the Killke culture built the walled complex of Saksaywaman about 1100.
In November 2008, archeological researchers found that the Killke also built a major temple near Saksaywaman, as well as an aqueduct (Pukyus) and roadway connecting prehistoric structures.
Saksaywaman was expanded by the Inca.
The Spanish explorer Pizarro sacked much of the Inca city in 1535.
Remains of the palace of the Incas, Qurikancha (the Temple of the Sun), and the Temple of the Virgins of the Sun still stand.
In addition, Inca buildings and foundations in some cases have proved to be stronger than the foundations built in present-day Peru.
Among the most noteworthy Spanish colonial buildings of the city is the Cathedral of Santo Domingo, Cusco.
The major nearby Inca sites are Pachacuti's presumed winter home, Machu Picchu, which can be reached on foot by the Inca Trail to Machu Picchu or by train; and the "fortress" at Ullantaytampu.
Less-visited ruins include: Inka Wasi, the highest of all Inca sites at ; Willkapampa the capital of the Inca after the capture of Cusco; the sculpture garden at Ñusta Hisp'ana (aka Chuqip'allta, Yuraq Rumi); Tipón with working water channels in wide terraces; as well as Willkaraqay, Patallaqta, Chuqik'iraw, Moray, Vitcos, and many others.
The surrounding area, located in the Watanay Valley, is strong in gold mining and agriculture, including corn, barley, quinoa, tea, and coffee.
Cusco's main stadium Estadio Garcilaso de la Vega was the site of South America's continental soccer championship, the Copa América 2004 held in Peru.
The stadium is home to one of the country's most successful soccer clubs, "Cienciano".
The city is served by Alejandro Velasco Astete International Airport. 
Archaeological studies indicate the pre-Incan Yumbos people once inhabited the land that is today Maquipucuna.
There are pathways, burial mounds, and ceramics that can still be found in the area.
The main pre-Inca trail found at Maquipucuna is believe to lead to Cachillacta, or the land of salt.
The Maquipucuna area was very important before colonial times, circa 1500 BC, because it was arguably the main sources of salt for the chiefdom in Quito. 
The Inca road system was the most extensive and advanced transportation system in pre-Columbian South America.
The construction of the roads required a large expenditure of time and effort, and the quality of that construction is borne out by the fact that it is still in quite good condition after over 400 years of use.
The network was based on two north-south roads with numerous branches.
The best known portion of the road system is the Inca Trail to Machu Picchu.
Part of the road network was built by cultures that precede the Inca Empire, notably the Wari culture.
During the Spanish colonial era, parts of the road system were given the status of "Camino Real". 
Inca rope bridges were simple suspension bridges over canyons and gorges and rivers ("pongos") to provide access for the Inca Empire.
Bridges of this type were useful since the Inca people did not use wheeled transport—traffic was limited to pedestrians and livestock.
The bridges were an integral part on the Inca road system and are an example of Inca innovation in engineering.
They were frequently used by Chasqui runners delivering messages throughout the Inca Empire.