Skip to main content

Peruvian highway has highest tunnel

A new tunnel connection is helping boost connectivity in Peru, improving access to remote areas Building the tunnel has been an important project as Peru has an imbalance in population distribution with 54.6% of its inhabitants concentrated in the areas along the Pacific Ocean, while only 32% of the population lives in the Andes highlands and 13.4% in the Amazon tropical jungles. The imbalance is acute given that the tropical jungle areas account for 60% of the country’s national territory. Economic deve
October 2, 2014 Read time: 3 mins
Ventilation in the tunnel portal has helped during construction
A new tunnel connection is helping boost connectivity in Peru, improving access to remote areas

Building the tunnel has been an important project as Peru has an imbalance in population distribution with 54.6% of its inhabitants concentrated in the areas along the Pacific Ocean, while only 32% of the population lives in the Andes highlands and 13.4% in the Amazon tropical jungles. The imbalance is acute given that the tropical jungle areas account for 60% of the country’s national territory. Economic development also reflects this disequilibrium, due to a concentration of economic activity in the national capital. The city of Lima and its metropolitan area is home to 29% of Peru’s population.

The country has benefited from strong economic growth during the last 18 years, some of the best economic growth indexes in all of South America; however, the transport infrastructure has not grown as rapidly as the economy. The region of Ancash, located in the north-west of the country, provides a key example. Ancash has suffered poor transport without a highway connecting it with the interior of the country, which would allow it to export its products internationally through the border with Brazil.

However the new highway running from Carhuaz-Chacas-San Luis is of strategic importance to improve transportation for this region. It will not only permit an increase in exports of locally produced products, but will also open new areas to tourism. For the latter, the route of the new highway runs past snow-capped mountain peaks and over 20 lakes in the Conchucos area, a short distance from the Huascaron Mountain Peak. This new highway will make a significant reduction in journey times for local inhabitants, who currently require 8-9 hours to make the trip between Carhuaz and Chacas, but will see this slashed to 2½ hours. The new road will go through the new Punta Olimpica Tunnel. The shorter distance will lower running costs for vehicles and promote development of agricultural production in the area. The Carhuaz-Chacas-San Luis highway, which runs for 100km, will have a 44km section that traverses the Huascaron National Park and improve the lives of over 300,000 people in the surrounding area.
The road starts at the outskirts of Carhuaz, some 2,647m above sea level and ends in the town of San Luis at an altitude of 3,051m above sea level. The route follows the existing road called “Callejon de Huaylas” (Huaylas Alley) up to 49km, where it runs into the highest road tunnel in the world.

The Punta Olimpica Tunnel lies at an altitude of 4,738m above sea level. It has a total length of 1,380m and has been constructed in particularly challenging conditions. The altitude places high stress levels on equipment as the thin air means diesel engines and electric motors are more prone to overheating and cannot be loaded as heavily as at lower altitudes. For internal combustion engines in particular, the altitude also affects combustion and turbocharging and they have to be specially configured for working at height. Similar stresses have been placed on the personnel and winter conditions can be particularly tough at this altitude.

Related Content

  • Winter maintenance challenge
    February 29, 2012
    Many countries had their most severe winter for years, but it could have been much worse without the right equipment and technology as Patrick Smith reports. As many countries faced up to the 2010-2011 winter, hard-pressed maintenance teams did their best to keep things moving on the roads. With some of the lowest temperatures and heaviest snowfalls on record, the UK, Republic of Ireland, Switzerland, France, Scandinavia, Germany, and Belgium were among those affected. Russia, eastern Europe and the USA did
  • Rwanda’s new northern route planned
    May 23, 2018
    In Rwanda, a US$66 million deal has been signed for construction work on a road running from Base and through Butaro to Kidaho. The 63km stretch road is intended to improve transport connections in the north of the country. The work on this road will boost the country’s connections with neighbouring Uganda, helping develop trade and transport between the two nations.
  • Florida highway rebuild project
    May 2, 2018
    Rebuilding a congested stretch of highway in Florida will cut congestion and boost safety for commuters - Mike Woof writes. Florida’s 214km-long I-4 highway provides a key transport route between Tampa and Daytona Beach, but has an unenviable reputation for both congestion and safety, with frequent delays due to heavy traffic as well as crashes. The stretch running through the city of Orlando is particularly prone to jams at peak periods, with huge traffic volumes resulting in vehicles having to slow to a c
  • A bridge of hope?
    July 18, 2012
    As Russia prepares for a major Asia Pacific conference in nearly four years' time, the economic climate is felt in other countries in the region. Patrick Smith reports AUS$1 billion-plus suspension bridge is to be built to link the city of Vladivostok in the far east of Russia and Russky Island. Russia's President Dmitry Medvedev has signed an instruction for construction of the 3,150m long bridge, which is intended to provide access to the 24th Asia Pacific Economic Cooperation (APEC) summit, to be held o