Interstate 430 (I-430) is a 12.93-mile-long (20.81 km) Interstate highway in Pulaski County, Arkansas, that bypasses the cities of Little Rock and North Little Rock. I-430 begins at an interchange southwest of Downtown Little Rock with I-30, US 67, and US 70 and travels north to cross the Arkansas River and end at I-40 and US 65. The first plans for the freeway appeared in 1955.

Pulaski County is a county in the U.S. state of Arkansas. With a population of 399,125 as of the 2020 United States Census, it is the most populous county in Arkansas. The county is included in the Little Rock–North Little Rock–Conway metropolitan area. Its county seat is Little Rock, which is also Arkansas's capital and largest city.