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Low Clearance Signs: Essential Tips for Moving Truck Drivers

A metal bridge with a 14 ft - 3 in sign on it going over a river next to mountains.

If you’re renting a moving truck for the first time, you may be unfamiliar with the unique driving precautions that come with operating a larger vehicle. Moving trucks are larger, wider and heavier than typical cars, requiring extra attention to bridges, overpasses, low-hanging trees, signs and more. Fortunately, low-clearance collisions are easy to avoid if you follow a few essential safety tips.


1. Know Your Truck's Height

The driver's side mirror of a penske truck reflecting the 10' 6" clearance of the truck.

Before hitting the road, take note of your truck’s height. Every Penske rental truck has a sticker on the front windshield and the side of the truck, viewable from the driver’s side mirror, showing the exact clearance height for that vehicle. Keeping this information in mind while driving will help you navigate safely around low-clearance obstacles.

Clearance Required 10'6" sticker on the inside of a Penske truck windshield.

2. Plan Ahead and Identify Potential Issues

Planning your route is key to avoiding any clearance issues, especially if you’re driving through unfamiliar areas. Use a GPS device or app specifically designed for trucks and larger vehicles, which can help you avoid restricted routes and low overpasses. If you’re taking an alternative route, make sure to verify that it’s truck-friendly, especially in urban or residential areas where low bridges are more common.

Tip: While low-clearance accidents are rare on major roads and interstates — where height regulations prevent most problems — more caution is needed when you’re driving on side roads, city streets, rural areas or places known for older, lower bridges, like New York and North Carolina.

3. Watch for Low-Clearance Signs

A fork in a highway with the right side showing a low clearance sign.

Low-clearance warnings are typically posted well before an overpass or bridge, giving you time to find an alternate route if necessary. However, in some cases, the clearance measurement may not account for weather conditions or recent road resurfacing. Approach with caution and if you’re unsure, stop in a safe area and reassess.

4. Stay Focused on the Road

Distractions can be particularly hazardous when driving a large vehicle. Staying focused and alert will help you notice clearance signs and avoid potential obstacles. Fatigue and being in a rush are common factors in low-clearance accidents, so give yourself plenty of time and take breaks as needed.

5. Watch Road Conditions and Surfaces

Snow, ice or even recent resurfacing can add inches to the pavement, effectively lowering clearance under bridges or overpasses. During winter months or in construction zones, allow for additional caution when approaching low-clearance obstacles.

6. Know Where Height Regulations Don’t Apply

A yellow Order Here awning and sign at a fast food drive thru.

While bridges and tunnels generally have regulated heights, certain structures don’t fall under these regulations. Keep an eye out for:

  • Fast food drive-thrus
  • Bank and ATM drive-thrus
  • Building awnings
  • Parking garages
  • Gas station canopies

Avoid pulling into these areas without confirming that your truck can clear them.

7. Proceed With Caution in Uncertain Situations

A narrow cement bridge with a 11 ft 6 in low clearance sign and a railroad track on top.

If you’re ever unsure whether your truck will fit, it’s best to stop and assess. Find a safe spot to pull over and check the situation before proceeding. It’s always safer to take a moment and double-check rather than risk a costly and dangerous accident.

Accident Protection

Even when you’re prepared, low-clearance accidents can happen. For moving truck rentals, we recommend purchasing an optional protection plan to cover accidental damage. Commercial renters must rely on their insurance providers for overhead damage coverage.

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