National Road 1 is a major highway in Vietnam that runs from Hanoi in the north to Ho Chi Minh City in the south. It spans approximately 2,000 kilometers and serves as a vital transportation route for both goods and travelers across the country. The road is part of the Ho Chi Minh Trail, which played a significant role during the Vietnam War. Today, it connects various provinces and cities, facilitating economic development and tourism while showcasing the diverse landscapes and cultures of Vietnam.