Why Truck Freight Rates Are Rising in 2026: Shipper Guide

Figures current as of 16 September 2026. Sources are linked where each number appears.

A shipper booked a dry van load from Chicago to Dallas in early June. When the same load came up again this week, the quote was several hundred dollars higher, and the explanation from every direction was the same: freight rates are rising.

That is true, and it is also not the whole story. If you only read the headlines, you would think truck freight rates have been climbing in a straight line all year. They have not. They spiked, they pulled back hard, and now a second force has arrived that has nothing to do with trucks at all. Understanding why freight rates are rising in 2026, and which part of the increase is likely to stick, is the difference between a Q4 budget that holds and one that gets rewritten in November.

Here is what the data actually shows, the four forces behind it, and six things a shipper can do about it before peak season starts.

Quick Answer: Why Are Freight Rates Rising in 2026?

Freight rates are rising in 2026 because trucking capacity is shrinking faster than demand, not because demand is booming. Dry van spot rates beat contract rates in June for the first time since 2022, driven by carriers leaving the market and enforcement removing drivers. Rates then fell sharply in August on seasonal softness, and in September diesel hit a record $6.285 per gallon, pushing fuel surcharges up again.

So the increase has two layers. The structural layer is capacity, and it is likely to persist. The acute layer is fuel, and it is moving week to week.

What the Rate Data Actually Shows

The most reliable public source for truckload pricing is DAT, which publishes national averages monthly. Two of its 2026 releases tell the story better than any commentary.

Source: DAT, 9 July 2026 and DAT, 15 September 2026.

June was a genuine milestone. When spot rates rise above contract rates, it means the price of booking a truck today has overtaken the price shippers locked in months ago. DAT's analyst described it as carriers gaining pricing power across the board, and pointed out that if demand were driving it, volumes would be climbing too, and they were not.

August was the steepest August pullback DAT has on record. Van spot linehaul dropped 20 cents, 8.4% in a single month. DAT attributed most of it to normal seasonality and to freight that shippers had pulled forward earlier in the summer. It also noted something a shipper should not miss: capacity tightened noticeably during CVSA Brake Safety Week, and rates still eased. That is what cooler demand looks like.

Both facts are true at the same time. Truckload spot rates are far higher than a year ago, and they are lower than they were in June. Anyone telling you rates only go up in 2026 is reading one release and not the next.

The Four Forces Pushing Truck Freight Rates Up

Four separate pressures are stacked on top of each other. They have different causes and different timelines, which is why they need to be understood separately.

1. Trucking capacity is leaving the market

This is the structural driver and the one most likely to outlast Q4.

The clearest evidence is that rates rose while volumes did not. Trade coverage in early September put tender rejections at 14.4% with truckload volumes running 4 to 5% below the prior year. A tender rejection is a carrier turning down a load it had contracted to haul, usually because it can get more money elsewhere. When rejections climb on flat volume, the math only works one way: there are fewer trucks.

Where did they go? Small carriers exited during the long freight recession of 2023 and 2024, fleet replacement slowed, and the enforcement changes described below accelerated the exits in 2026. The capacity that left has not come back, and a truck that is not on the road cannot be hired at any price.

2. Diesel just set a record

This is the acute driver, and it changed the picture in the past two weeks.

The U.S. Energy Information Administration put the national average on-highway diesel price at $6.285 per gallon for the week of 14 September 2026. That is up 31.8 cents in one week, up roughly 69 cents in two weeks, and up $2.546, or about 68%, from a year earlier. It is the highest national average diesel price on record.

The cause is geopolitical rather than anything in the freight market: escalating tension between the United States and Iran, renewed hostilities in the Red Sea, the shutdown of Saudi Arabia's East-West pipeline, and attacks that took additional Russian refineries offline in the same week. Crude crossed $100.

For a shipper, diesel matters through the fuel surcharge, which is a separate line on your invoice and which most brokers recalculate weekly against the EIA number. The common formula is simple: subtract a base price from the current diesel price, then divide by an assumed miles per gallon. With a typical base of $1.25 and 6.0 MPG, this week's price works out to:

($6.285 − $1.25) ÷ 6.0 = roughly $0.84 per loaded mile

DAT reported the August van fuel surcharge at 70 cents per mile, when diesel was about $5.60. At $6.285, the surcharge on the same load is 10 to 14 cents per mile higher than it was a month ago, before any change in the base rate at all. We cover how surcharges and other add-ons appear on an invoice in our guide to accessorial charges in trucking.

3. Enforcement is removing drivers

Two federal enforcement pushes in 2026 have taken drivers off the road faster than they can be replaced.

The first is English Language Proficiency enforcement, which trade coverage estimates could remove as many as 25,000 drivers per year. The second is cabotage enforcement at the southern border. Since November 2025, about 3,200 B-1 visas held by drivers based in Mexico have been pulled, taking those drivers out of US domestic lanes. Neither of these is a market cycle. They are policy decisions, and they reduce the supply of drivers regardless of what freight demand does.

4. Brokers now carry legal risk for the carriers they select

On 14 May 2026, the Supreme Court ruled unanimously in Montgomery v. Caribe Transport II that a state-law negligent hiring claim against a freight broker is not blocked by federal preemption. The case was brought against C.H. Robinson after a crash involving a carrier that held only a conditional safety rating.

The practical effect is that a broker can now be sued for putting your freight on a carrier it should have screened out. Responsible brokers were already vetting authority, safety ratings, and insurance. After Montgomery, every broker has a legal reason to do so, which shrinks the pool of carriers a careful broker will use and raises the cost of the ones that remain. If you are choosing between providers, the difference between a broker, a forwarder, and a 3PL now matters more than it did in April. We explain those roles in freight broker vs freight forwarder vs 3PL.

What Rising Freight Rates Mean for a Q4 Freight Budget

Abstract percentages are hard to budget against, so here is one lane worked through with the national averages above. Take a dry van load from Chicago to Dallas, roughly 925 miles.

Year-ago linehaul is derived from DAT's June figure of $2.37 minus its reported 74-cent annual increase. Actual lane rates vary with direction, day of week, and equipment, so treat this as an illustration of the shape, not a quote.

Two things stand out. First, the same load costs roughly 48% more than it did a year ago, which matches what shippers are seeing on re-quotes. Second, more than half of the increase since August is fuel, not base rate. That matters because fuel is the part of the rate that is indexed to a public number and can move down as fast as it moved up. If you are pricing single pallets rather than full trucks, the same forces show up on LTL invoices, which we walk through in how much it costs to ship a pallet.

What Shippers Should Do Before Q4

None of the four forces is something a shipper controls. What you control is how exposed you are to them. Six moves, in the order we would make them.

1. Separate your contract freight from your spot freight, on paper, this week. Contract rates were 22 cents below spot in August and were above spot in June. A shipper with 70% of Q4 volume under contract is in a different position from one buying 70% on the spot market, and most shippers do not know their own split. Pull the number before you do anything else.

2. Lock contract capacity on your dense lanes now, not in November. If a lane moves every week, it belongs under contract, and the time to negotiate is before peak season tightens capacity further. Our guide to how to negotiate freight rates with carriers covers what actually moves the number.

3. Check how your fuel surcharge is calculated. Ask your broker or carrier for the base price and MPG in its formula and confirm it is pegged to the weekly EIA index. Two providers quoting the same linehaul can differ by 10 cents a mile on surcharge alone, and at $6.28 diesel that gap is real money.

4. Give more lead time and wider pickup windows. In a tight market, a load tendered three days out with a flexible pickup window gets covered at a better rate than the same load tendered the night before. This costs nothing and is the single easiest lever a shipper has.

5. Consolidate where you can. Two half-full trucks a week cost more than one full one, and the gap widens as rates rise. Review whether any LTL or partial freight can be combined into full truckload moves, or whether a fixed weekly schedule would let a carrier plan around you.

6. Ask your broker one question about carrier vetting. After Montgomery, ask what your broker checks before it puts your freight on a truck: authority status, safety rating, cargo insurance limits. A provider that answers immediately is protecting you as well as itself. One that hesitates is a risk you are now paying for. Our peak season freight planning guide covers the rest of the Q4 checklist.

Common Questions About Rising Freight Rates

Will freight rates keep rising through the end of 2026?

The capacity drivers are structural, so trade analysts expect rates to stay elevated rather than crash. The fuel component is a different question. It depends on diesel, which depends on events outside the freight market, and it can fall as fast as it rose.

Why did spot rates fall in August if capacity is tight?

Seasonality and pull-forward. Shippers moved freight earlier in the summer, so August had less of it. DAT noted that capacity actually tightened during the month and rates eased anyway, which points to soft demand, not to capacity returning.

Is now a bad time to sign a contract rate?

It depends on the lane. On lanes where spot is currently below contract, waiting looks tempting. On dense lanes you ship every week, the risk of being exposed to spot pricing during peak season usually outweighs a few cents saved now.

Does the diesel price affect LTL and pallet shipments too?

Yes. LTL carriers apply a fuel surcharge as a percentage of the linehaul, also tied to the EIA index. The percentage steps up as diesel rises, so a pallet quoted in August will carry a higher surcharge if it ships this week.

The Bottom Line

Truck freight rates are rising in 2026 for one durable reason and one volatile one. The durable reason is that trucks and drivers have left the market and are not coming back quickly. The volatile reason is that diesel set a record this week, and the surcharge on every load moved with it.

You cannot change either. You can change how much of your Q4 freight is exposed to the spot market, how much lead time you give, how your surcharge is calculated, and which provider is choosing your carriers. Those decisions are worth more in a tight market than they are in a loose one, and September is when they get made.

If you want a Q4 lane review with the contract and spot split laid out and the surcharge formula shown in writing, request a quote or call (630) 884-1125. The American Truck Inc. is a licensed freight brokerage, MC 1631835 and USDOT 4221571, with a BMC-84 bond on file.