Idaho bill could let trucks drive the same speed as cars on freeways

by TRUCKERS VA
(UNITED STATES)

A new proposal in the state of Idaho could change something truck drivers have dealt with for decades: different speed limits for trucks and cars.

Lawmakers are now considering a bill that would equalize freeway speeds, allowing trucks to travel at the same posted speed as passenger vehicles.

The proposal has already cleared an early legislative step and is now headed to the floor of the Idaho State Senate.

For truckers, it’s a debate that touches on safety, traffic flow, and long-standing highway policies.

What the bill would change

Currently, many states — including Idaho — have split speed limits.

That means:

Passenger vehicles often have a higher speed limit.

Commercial trucks are required to drive slower.

For example, on some Idaho freeways cars may legally travel 80 mph, while trucks are limited to 70 mph.

The proposed legislation would remove that difference and allow all vehicles to follow the same speed limit.

Supporters say the change could make highways safer and more predictable.

Why some lawmakers support equal speeds

Backers of the bill argue that having two different speed limits creates unnecessary problems.

Their main arguments include:

Speed differences create passing conflicts – When trucks move slower than surrounding traffic, cars constantly weave around them.

Traffic flow becomes uneven – Faster vehicles repeatedly catch slower trucks, creating waves of congestion.

Driver frustration increases – Speed differences can lead to aggressive driving and risky maneuvers.

Supporters say allowing trucks to travel at the same speed could smooth traffic patterns and reduce dangerous lane changes.

Why some safety groups are concerned

Not everyone agrees with the idea.

Some safety advocates warn that increasing truck speeds could lead to more severe crashes.

Their concerns focus on several factors:

Truck stopping distance – Large commercial vehicles require significantly more distance to stop.

Crash severity – Higher speeds often increase the force of collisions.

Vehicle weight differences – A fully loaded semi-truck can weigh up to 80,000 pounds.

Critics worry that matching car speeds could encourage trucks to travel too fast for their size and weight.

What truck drivers often say about split speed limits

Many truckers have strong opinions about split speed limits because they deal with them every day.

One common complaint is the constant leapfrogging effect.

Here’s how it works:

A truck drives slower due to the lower limit.

Cars pass the truck repeatedly.

Traffic bunches up behind slower trucks.

Drivers say this situation can create more risk than simply allowing traffic to move at one consistent speed.

Some truckers also point out that many modern trucks are equipped with advanced braking systems and safety technology that didn’t exist decades ago.

Other states have debated the same issue

Idaho isn’t the first state to consider equal speed limits.

Across the country, transportation officials have debated whether split speed limits actually improve safety.

Some states that once had different limits for trucks and cars have already eliminated them.

Transportation researchers often note that speed variance — not just speed itself — plays a major role in crashes.

When vehicles travel at widely different speeds, the risk of collisions can increase.

That’s one reason lawmakers continue to revisit the issue.

What happens next

The bill now moves to the floor of the Idaho State Senate, where lawmakers will debate and vote on whether to move the proposal forward.

If approved, the legislation would still need additional steps before becoming law.

For truck drivers traveling through Idaho, the decision could affect how fast they’re legally allowed to move across the state’s long rural highways.

The bottom line

The debate over truck speed limits in Idaho highlights a long-standing question in highway safety:

Is it safer to slow trucks down — or safer to keep traffic moving at the same pace?

Supporters of the bill believe equal speed limits could reduce traffic conflicts and improve flow.

Opponents worry higher truck speeds could increase crash severity.

As lawmakers prepare to vote, one thing is clear:

For the thousands of truck drivers crossing Idaho every day, this decision could change the rhythm of the road.

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