Interstate 640

Interstate 640 provides a bypass around Downtown Knoxville for travelers along I-40. The urban loop overlaps with Interstate 75 for 3.5 miles between I-40 at Marble City and I-275 at Inskip. The freeway generally runs along the north side of Sharp Hill. It crosses the hill by Knoxville Center mall at Washington Pike.

Interstate 640 Tennessee Highway Guides

• Interstate 640 East
• Interstate 640 West

Prior to 1982, Interstate 75 followed I-275 south to I-40 directly by Downtown Knoxville. The route was realigned along side I-640 to shift through traffic away from the city center.