Are You Ready for the Road? Test Your CDL Knowledge with This Trucking Safety Quiz!

Let’s do some quick math. When driving a 40-foot truck at 35 MPH, how many seconds of following distance should you maintain?

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Correct Incorrect Using the Heavy Vehicle Formula, for a 40-foot truck traveling at speeds under 40 MPH, you'd need 4 seconds to stop. For speeds above 40 MPH, you would add an additional second to your stopping time to ensure safety.

Let’s do some quick math. When driving a 40-foot truck at 35 MPH, how many seconds of following distance should you maintain?

• 6 seconds
• 50 seconds
• 4 seconds
• 8 seconds