The highway is 2,559 miles long. It passes through California, Arizona, New Mexico, Texas, Oklahoma, Arkansas, Tennessee and North Carolina. Of that total, 455 miles of I-40 go through Tennessee.

In northeast Arizona, Interstate 40 is under a heavy load, serving between 20,750 to 27,600 vehicles per day, according to the Arizona Department of Transportation (ADOT).

MCKINLEY COUNTY, N.M. (KRQE) — Interstate 40 eastbound is temporarily closed near the New Mexico and Arizona border on Thursday afternoon, according to the McKinley County Sheriff’s Office.

Interstate 40 east of Albuquerque reopened after fatal crash The Bernalillo County Sheriff's Office said the crash happened Monday night ... Updated: 4:42 AM MDT Jun 3, 2025 Editorial Standards ⓘ ...

Drivers on Interstate 40 west of Seligman should expect delays starting July 21 due to a long-term roadwork project.

DPS troopers are urging caution on Arizona roads after three deadly crashes on state freeways during the holiday weekend.

The John Wilkie Safety Roadside Rest Area on I-40 near Needles, California is closed for renovations. The project includes upgrades to water and wastewater systems, paving, and site amenities.

MCKINLEY COUNTY, N.M. (KRQE) — Interstate 40 eastbound has reopened following a motorcycle crash near the New Mexico and Arizona border on Thursday afternoon, according to the McKinley County ...