Transportation is the movement of people, goods, and animals from one place to another. The main modes are land (road, rail), water (ships, barges), air (airplanes), and pipelines. The invention of the wheel, the steam engine, the automobile, and the airplane revolutionized transportation. What was the first human-made vehicle?

The Pan-American Highway is the longest highway in the world, stretching about 30,000 miles (48,000 kilometers) from Prudhoe Bay, Alaska, to Ushuaia, Argentina. It passes through 14 countries. However, there is a 60-mile (100 km) gap in the Darién Gap (between Panama and Colombia) that is impassable by road. What is the longest highway in the world?

The United States has the longest railway network in the world (about 160,000 miles / 257,000 km). China and Russia also have extensive rail networks. The Trans-Siberian Railway (Russia) is the longest single railway line (about 5,772 miles / 9,289 km), connecting Moscow to Vladivostok. Which country has the longest railway network?

High-speed rail (HSR) trains operate at speeds over 155 mph (250 km/h). China has the largest high-speed rail network (over 25,000 miles / 40,000 km). The Shanghai Maglev train is the fastest commercial train (267 mph / 430 km/h). The Japanese Shinkansen (bullet train) was the first high-speed rail system (opened in 1964). Which country has the largest high-speed rail network?

Hartsfield-Jackson Atlanta International Airport (ATL) is the busiest airport in the world by passenger traffic (about 104 million passengers in 2023). Dubai International Airport (DXB) is the busiest by international passenger traffic. What is the busiest airport in the world?

The Port of Shanghai is the busiest container port in the world, handling over 47 million TEU (twenty-foot equivalent units) per year. Singapore and Ningbo-Zhoushan (China) are also major ports. The Port of Shanghai has been the busiest since 2010. Which port is the busiest in the world?

Copenhagen, Denmark, is often ranked as the most bicycle-friendly city in the world. Over 60% of residents commute by bike daily. The city has over 240 miles (390 km) of bike lanes. Amsterdam and Utrecht (Netherlands) are also very bike-friendly. Which city is known as the cycling capital of the world?

The Lærdal Tunnel in Norway is the longest road tunnel in the world (about 15.2 miles / 24.5 kilometers). It connects the towns of Lærdal and Aurland. The tunnel has three large caves where drivers can stop and rest. What is the longest road tunnel?

The Beijing-Guangzhou high-speed railway in China is the longest high-speed rail line in the world (about 1,428 miles / 2,298 kilometers). It connects Beijing (north) to Guangzhou (south) in about 8 hours. What is the longest high-speed rail line?

Electric vehicles (EVs), autonomous vehicles (self-driving cars), hyperloop, and flying taxis are emerging transportation technologies. Hyperloop is a proposed high-speed transportation system using low-pressure tubes. Tesla and SpaceX have promoted hyperloop. What is hyperloop?