Alcohol and drugs can severely slow reaction time. This makes it incredibly harder for a driver to safely control a commercial truck in an emergency situation. Operating an 18-wheeler while under the influence of any substance is a gross violation of public trust and federal law.

Strict Federal Intoxication Limits

The federal government holds commercial truck drivers to a much higher standard than civilian motorists. A commercial driver cannot legally operate a truck with an alcohol concentration of 0.04 or higher according to 49 C.F.R. Section 392.5. Federal rules also strictly restrict the use of controlled substances that can affect safe vehicle operation, including stimulants used by drivers to stay awake.

Mandatory Corporate Testing Requirements

Trucking companies have massive legal responsibilities related to drug and alcohol testing to protect the public. Under 49 C.F.R. Part 382, this mandated oversight includes:

• Pre employment testing before a driver is ever hired.
• Random testing conducted throughout the year.
• Reasonable suspicion testing when a supervisor notices erratic behavior.
• Post accident testing immediately following a severe crash.

These rules help, but they absolutely do not eliminate the risk. Research on truck crashes found that alcohol related crashes still occurred even after mandatory breath testing requirements were introduced for commercial truck drivers. Written policies and testing programs only work when drivers and trucking companies take enforcement seriously. We hold them accountable when they fail to do so.