GREENSBURG, Indiana — A Shelbyville man was killed on Friday morning, October 30, when his vehicle struck a flatbed trailer that had come loose from a pickup truck and stopped on North Old U.S. Highway 421 in Decatur County. Investigators say a 20-foot flatbed trailer became detached from the pickup for unknown reasons in the 5000 block of the highway at around 7 a.m. William Dale Blackburn, 59, of Shelbyville, was travelling southbound when he struck the detached trailer head-on, and he was pronounced dead at the scene.

Source: 812 Now (White River Broadcasting)

Blackburn's was not the only vehicle to hit the trailer. A second vehicle, driven by Nathan Rump, 28, also of Shelbyville, struck the trailer as well. Rump was not injured, and investigators said nobody else was hurt in the crash.

Source: GIANT.fm (White River Broadcasting)

The crash remains under investigation. Investigators said they do not believe alcohol or drug use was a factor. The central fact they have not yet established is the one that matters most: why the trailer came off the pickup that was towing it. The reports released so far do not say whether that pickup, or its driver, has been identified.

Six agencies answered the call

The response drew the Decatur County Sheriff's Department, the Indiana State Police, Decatur County EMS, the Greensburg Fire Department and two volunteer departments — the St. Paul Volunteer Fire Department and the Adams Volunteer Fire Department. Both men involved in the crash were from Shelbyville, in neighbouring Shelby County, northwest of the crash scene along the same corridor. The crash happened in Decatur County, outside Greensburg, the county seat — a stretch of two-lane rural highway of the kind on which farmers, tradespeople and small haulers tow loaded trailers every working day.

The question at the centre of the investigation

A trailer separates from its tow vehicle for a mechanical reason: a coupler that was not latched or locked onto the hitch ball, a hitch or drawbar failure, or safety chains that were missing, wrongly attached or not strong enough to hold the load when the coupler let go. Investigators have announced no finding on which of these, if any, happened on Old U.S. 421, and no charges or citations have been announced. Until the sheriff's department and the State Police finish their work, the cause of Friday's detachment remains officially unknown — and no blame has been assigned to any driver.

What Indiana law demands of every driver who tows

Indiana law is written for exactly this failure. Under Indiana Code section 9-20-9-8, every trailer or semitrailer hauled by a motor vehicle must be attached with coupling devices that prevent it from being deflected more than six inches from the path of the towing vehicle, using suitable safety chains or devices — one on each side of the coupling, at the extreme outer edge — and each chain and connection must be strong enough to haul the trailer when loaded. The same section limits the draw bar or connection between a towing vehicle and what it tows to no more than fifteen feet.

Source: Indiana Code 9-20-9-8 via FindLaw

What happens next

The investigation continues, led on the ground by the Decatur County Sheriff's Department with the Indiana State Police among the responding agencies. Its findings on why the trailer detached will decide whether any charges or citations follow; for now, investigators have said only that the crash remains under investigation and that alcohol and drugs are not believed to be factors.

For the many Punjabi truckers and small fleet owners who run Indiana's highways — and for anyone who pulls a work trailer behind a pickup — the case is a blunt reminder of the short check that prevents the worst outcome before a trip begins: coupler latched and pinned, safety chains attached on both sides and strong enough for the loaded trailer, exactly as Indiana law requires. On Friday morning in Decatur County, something in that chain of safeguards failed, and a 59-year-old man driving to wherever his day was taking him never arrived.