Sign Collapse Closes Portion of I-64 at I-255
- Both directions of Interstate 64 were closed at the I-255 interchange in St.
- The Illinois Department of Transportation reported that the collapse occurred at approximately 11:45 p.m.
- The impact caused the structure to fall onto the roadway, resulting in the closure of all four westbound lanes of I-64 near Caseyville on the morning of April...
Both directions of Interstate 64 were closed at the I-255 interchange in St. Clair County, Illinois, on April 9, 2026, after a large road sign collapsed across the highway.
The Illinois Department of Transportation reported that the collapse occurred at approximately 11:45 p.m. On April 8, 2026. According to the Illinois State Police, the incident was caused by a tractor-trailer operating within a construction area that failed to lower its dump bed, striking the sign and its supporting truss.
The impact caused the structure to fall onto the roadway, resulting in the closure of all four westbound lanes of I-64 near Caseyville on the morning of April 9, 2026.
Traffic Disruptions and Detours
As of 5:45 a.m. On April 9, 2026, the highway remained closed while crews worked to remove the damaged sign and debris. The Illinois State Police indicated that the closure was expected to last through the morning rush hour.
Authorities directed traffic to divert via Illinois Route 157. Additional travel alternatives included exiting at Route 159 to drive through Belleville or utilizing I-55/70 to avoid the closure and resulting traffic backups.