What Caused the Semi Crash on Washington Ave. in Las Vegas, NV?

Michael GrossmanSeptember 16, 2025 2 minutes

Police say a crash at the intersection of West Washington Avenue and North Decatur Boulevard on Monday morning left a 34-year-old man dead. According to investigators, a GMC Terrain was traveling eastbound when it allegedly collided with the side of a Mack Anthem semi-truck that was turning onto westbound Washington from a private drive. The SUV’s driver was pronounced dead at the scene. Authorities say the semi-truck driver showed signs of impairment and was later booked on DUI-related charges.

When alcohol or drugs are suspected in a commercial vehicle crash, the situation takes on a different level of seriousness. Tractor-trailer drivers are held to a stricter standard because of the size and danger of their vehicles. That makes it critical to determine how this driver was screened, monitored, and allowed behind the wheel.

Why Was the Driver Cleared to Operate the Truck?

Federal regulations require commercial drivers to undergo initial drug and alcohol testing, as well as random testing during their employment. Investigators will want to know whether those requirements were properly followed and whether the trucking company had procedures in place to monitor this driver’s fitness for duty. A failure in hiring practices or oversight could point to systemic issues and not just an individual lapse.

Evidence That Should Be Reviewed

In addition to toxicology results, investigators should review the driver’s personnel file, including pre-employment screening records, medical fitness certifications, and random drug test results. Dispatch logs and electronic logging device (ELD) data may show whether the driver exhibited concerning behavior on prior trips. If the trucking company ignored red flags or failed to comply with federal testing requirements, that information will be central to understanding how this driver was still operating a semi.

Why a Full Investigation Matters

The loss of life in this crash underscores why commercial driver fitness cannot be overlooked. Getting answers about how this driver was screened, tested, and monitored will be critical in determining responsibility. Those affected deserve to know not just what happened in the moment of impact, but whether safeguards that should have prevented it were ignored.