Both directions of the Capital Beltway were a mess following a serious crash involving two tractor-trailers on the Inner Loop after Georgia Avenue in Montgomery County, Maryland, Wednesday morning.

Reports of the crash started at around 5 a.m., blocking all lanes of traffic for hours.

The accident caused significant delays and a fluid spill on the roadway, requiring extended cleanup efforts. All lanes reopened just before 10:30 a.m., about five hours after the crash.

Traffic on the Inner Loop squeezed by single file along the right shoulder for multiple hours, and backups stretched back past southbound Interstate 270. The Outer Loop was also jammed, mainly due to rubbernecking, with delays beginning before Interstate 95 and extending past the crash site.

The crash caused backups around the region.

The WTOP Traffic Center contributed to this report.