The pedestrian killed just after midnight on September 19th after he was struck by a tractor-trailer on I-40 West/I-65 South near the Dr. D.B. Todd Boulevard overpass is identified as Daniel Rodriguez Kostyk, 21, of LaVergne, Tennessee.
Toxicology testing will be conducted on Kostyk to determine whether alcohol or drugs played a role in this fatal crash.
Anyone with information about the driver of the tractor-trailer is asked to call Hit & Run investigators at 615-862-7713.
Kostyk's car was later struck by another vehicle traveling south on I-65. No one was injured in that crash.