A portion of northbound I-580 at the Virginia Street off-ramp was closed on Tuesday for a Reno Police investigation.
Reno Police say a body was found in a semi-truck and believe the person died from natural causes.
Nevada State Police were also on scene.
The Virginia Street off-ramp was closed for a couple of hours but has since reopened.
If you have any information that can help authorities, call or text your anonymous tip to Secret Witness at 775-322-4900.
