SECOND UPDATE: The entire portion of the roadway reopened around 2 p.m. Information about the crash can be found here.

UPDATE: According to an 18 News reporter at the scene, a 12-16 passenger van crash caused the closure. The reporter said that the van appeared to have crashed into a median. The New York State Police are at the scene of the crash.

The southbound lane has reopened. As of about 12 p.m., the Department of Transportation was diverting northbound traffic at the Wayland exit. Northbound motorists currently must take a detour through Wayland to get back on I-390 at the Dansville entry point.

WAYLAND, N.Y. (WETM) — A portion of Interstate 390 is closed near Wayland due to a crash.

According to 511NY, a crash occurred on I-390 (Genesee Expressway) around 9:30 a.m. on Saturday, Aug. 19 near the Wayland exit. All lanes of I-390 in both directions from Exit 3 (Wayland, NY 15 and NY 21) to Exit 4 (Dansville and Hornell) are closed to all traffic as of 10:30 a.m.

This is a developing story, and it will be updated as more information becomes available.