Mexican Federal Highway No. 1 follows the length of the Baja California Peninsula from Cabo San Lucas, at the southern end to Tijuana in the north. The length is 1,711 km (1,063 mi)
The road turns into Interstate 5 at the international border with the United States south of San Ysidro, California.
Most of its length is two lanes and much of the road runs through the desert. Driving at night is not recommended.