In the contemporary world, the connectivity facilitated by extensive road networks stands as a testament to human ingenuity and progress. As of 2024, various nations boast impressive infrastructural achievements, with sprawling road systems that crisscross vast territories, connecting urban centers, rural areas, and remote regions. These networks serve as lifelines for commerce, trade, and personal travel, embodying the essence of modern transportation infrastructure and its critical role in global connectivity and development.
The countries with the longest road networks in the world showcase the diversity and magnitude of global transportation infrastructure. Leading the pack is the United States of America, boasting over 6.5 million kilometers of roads, followed closely by India with more than 6.1 million kilometers. Other notable nations include China, Brazil, and Russia, each with extensive road networks exceeding millions of kilometers. These road systems serve as vital arteries, connecting cities, regions, and facilitating economic activities on a massive scale.
The United States boasts the world’s biggest road network, spanning a staggering 6,803,479 kilometers. Approximately 63 percent of this extensive network is paved, while 37 percent remains unpaved. The development of the US road infrastructure received a significant impetus with the passage of the Federal-Aid Highway Act in 1956, marking a pivotal moment in the expansion and modernization of transportation networks across the country.
United States of America, boasting over 6.5 million kilometers of road, holds the title of the longest road network in the world, followed by India, China, Brazil and Russia.
Here is the list of top-10 longest road network in the world 2024:
| Longest Road Networks Countries in the World 2024 | ||
| Rank | Country | Road Network Size |
| 1. | United States | 6,586,610 |
| 2. | India | 6,371,847 |
| 3. | China | 5,200,000 |
| 4. | Brazil | 2,000,000 |
| 5. | Russia | 1,283,387 |
| 6. | Japan | 1,218,772 |
| 7. | France | 1,053,215 |
| 8. | Canada | 1,042,300 |
| 9. | Australia | 873,573 |
| 10. | Germany | 830,000 |
Road Network Size: 6,586,610
The United States boasts the largest road network globally, spanning an impressive 6,803,479 kilometers. Around 63 percent of this extensive network consists of paved roads, while 37 percent remains unpaved. The US road infrastructure experienced significant growth following the enactment of the Federal-Aid Highway Act in 1956, catalyzing the expansion and enhancement of transportation systems throughout the nation.
Road Network Size: 6,371,847
India boasts the second-largest road network globally, stretching across an impressive 6,372,613 kilometers. Approximately 70 percent of these roads are paved, while the remaining 30 percent are unpaved. India’s road infrastructure has witnessed remarkable growth, surging from 5,400,000 kilometers in the fiscal year 2015. This expansion underscores the significant strides made in enhancing connectivity and transportation infrastructure throughout the country.
Road Network Size: 5,200,000
China secures the third spot with its expansive road network spanning 5,198,000 kilometers. Remarkably, 95 percent of these roads are paved, underscoring the nation’s commitment to robust infrastructure. With only 5 percent remaining unpaved, China’s road network stands as a testament to its dedication to connectivity and transportation development, solidifying its position as a global leader in road infrastructure.
The United States boasts the world's biggest road network, spanning a staggering 6,803,479 kilometers.
Australia's Highway 1 is a web of highways that encircle the country, joining all state capitals except the national capital of Canberra. It is the world's longest Highway, approximately 14,500 km (9,000 miles).
India boasts the second-largest road network globally, stretching across an impressive 6,372,613 kilometers.
The top-5 countries with longest road networks in the world are: United States, India, China, Brazil and Russia.
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