There are approximately 1662 exits on Interstate 40, including Eastbound and Westbound exits, as noted by RoadNow. Detailed information on each exit, separated by the state and the direction of the interstate is available on the RoadNow website, including how many exits are in each area.
The Interstate 40 goes through North Carolina, Tennessee, Arkansas, Oklahoma, Texas, New Mexico, Arizona and California. North Carolina, has the most exits with 174 Eastbound and 175 Westbound exits on the interstate, while California has the fewest number of exits, with 26 exits going East and Westbound. Tennessee also has a large number of exits, with 162 going East and 163 going West.