What Caused the Semi vs. RV Crash on I-40 Near Moriarty, NM?

Michael GrossmanJuly 18, 2025 2 minutes

A fatal crash involving a semi-truck and a recreational vehicle shut down westbound Interstate 40 in Torrance County Thursday evening. The collision occurred near mile marker 204, roughly eight miles east of Moriarty. According to the Moriarty Fire Department, one person was pronounced dead at the scene, while two others were transported to the hospital.

When a crash involves a commercial vehicle like a semi-truck, it’s important to understand how such a collision occurred and whether safety procedures were followed by all involved.

Were Both Vehicles Traveling Safely for Conditions?

In crashes between large trucks and RVs, questions often arise about speed, lane usage, and merging practices. Investigators will likely look into whether either driver was attempting a lane change, struggling with blind spots, or misjudging the distance between vehicles.

Could Distraction or Fatigue Have Played a Role?

Commercial drivers spend long hours on the road and may face tight schedules, making fatigue or distraction a key issue to examine. Investigators may review the semi-truck driver’s logs to ensure compliance with hours-of-service rules and determine whether inattentiveness played a part.

Are Mechanical Failures or Equipment Issues Involved?

Given the severity of the crash, it’s important to assess whether any mechanical issues might have been involved. Investigators may examine braking systems, tires, and steering components on both the semi-truck and RV. If a tire blowout, brake failure, or equipment malfunction led to a loss of control, that could shift liability away from driver behavior and toward a product or maintenance issue.

What Evidence Should Be Examined?

A complete understanding of the collision will likely depend on gathering dash cam footage, event data recorders, and physical evidence from the roadway. Investigators will analyze skid marks, impact angles, and debris fields to reconstruct the crash sequence. The semi-truck’s engine control module (ECM) data could provide vital information about speed, braking, and throttle usage in the moments leading up to impact.

Why a Thorough Investigation Is Essential

A crash like this demands a complete investigation to uncover what really happened. Whether the cause was human error, mechanical failure, or a combination of factors, a full investigation is the best way to figure out what happened and why.