Rates Cooled in June, but They're Still 17% Above Last June.

The blended median eased 4.3% to $4.94 a mile, but the dip is a fuel story, not a demand story: every commodity group moved down in lockstep as diesel fell 12.5% in a single month to $4.83 a gallon. The fragile Iran ceasefire framework is pulling fuel and rate floors lower together, yet rates are still running 17.1% above last June, with corn, the Midwest, and South Central all cooling off a hot spring.

Every month I tell people the number on the screen is the result, not the story. What you want to know is why it moved. This month the why is unusually clean, so let's walk it.

Bulk freight median rate $4.94 per mile in June 2026, down 4.3% month over month versus May but up 17.1% versus June 2025, with corn the top commodity at 4,936 loads, a 140-mile median haul, and a trailing 12-month median of $4.49

The blended median fell to $4.94 a mile, down 4.3% from May. But here's what makes June different from the last two cuts: it wasn't one segment dragging the average. Every commodity group moved down together. Grain off 5%, aggregates off 5%, feed off 3%. When the entire board slides in lockstep like that, you stop looking at demand and start looking at the cost stack. And the cost stack this month was all about fuel.

The driver: diesel came out fast

U.S. on-highway diesel falling to a $4.83 national average, down 12.5% in a single month and 10.1% over the trailing three months, with PADD regional lines over the trailing 12 months

EIA Weekly Retail On-Highway Diesel Prices · Latest reading: June 22, 2026 · PADDs: R10 East Coast / R20 Midwest / R30 Gulf / R40 Rocky Mountain / R50 West Coast.

This is the chart that explains the month. The US average dropped to $4.83 a gallon, down 12.5% in a single month and 10.1% over the trailing three. That is a big, fast move, and it is the clearest reason rates eased across the board.

Here's the mechanism, because it matters for how you price from here. Fuel is the second-largest variable cost in this business. When diesel was spiking, it propped rate floors up. Now that the fragile Iran ceasefire framework and the 60-day negotiating window have pulled fuel sharply lower, that support is coming out, and floors are following it down. The same force that inflated your rates over the past year is now deflating them. That's not weakness in freight demand. That's fuel normalizing.

But read the next part carefully, because the relief is not guaranteed:

If the framework holds: diesel keeps grinding down and rate floors ease further into Q3. Good for shippers, tougher on carriers who locked in fuel-rich rates.
If it breaks: nuclear terms and the actual reopening of the Strait of Hormuz are still unresolved, and the deal has already been tested. A breakdown snaps fuel and your rate floor right back up.

This is a watch item, not a settled story. Price the base case, but keep one eye on the headlines.

Corn cooled with everything else

Corn freight median rate easing to $5.14 per mile in June 2026, down 7.9% month over month but still up 17.4% year over year, with corn the network's highest-volume product

BulkLoads carrier submissions · 4,936 Corn loads in June 2026.

Corn was still the most-hauled product in the network at 3,179 loads, but its rate eased 3.8% on the month to $4.87. Worth keeping in perspective: corn is still up 23% year over year. The bellwether didn't break, it just exhaled along with the rest of the market as fuel came down.

The map cooled almost everywhere

Median per-mile rates by origin region over the trailing six months in two panels: Midwest origins down 5.6% on the month but up 10.9% over six months, and South Central origins down 6.2% on the month but up 34.4% over six months

Median per-mile rates for loads originating in each region over the trailing 6 months. Midwest = corn-belt grain states (IA, IL, IN, OH, MI, WI, MN, MO, KS, NE, SD, ND). South Central = TX, OK, NM.

The regional split that opened up mid-month closed back together by month-end. Both the Midwest (-5.6%) and South Central (-6.2%) cooled on the month, even though both are still up big over six months (+10.9% and +34.4%). The West softened the most at -9.3%. The Northeast was the lone region firming, up 3.0%. When fuel pulls the floor down, it pulls it down most places at once.

What I'd watch into July

Diesel and the truce, full stop. It drove this month and it'll drive next month. The fuel relief is real, but it's sitting on a fragile framework.
Whether volume stabilizes. Loads contracted 14.4% as spring movement wound down. Watch for the harvest-season floor to form.
The year-over-year line. Even after this pullback, rates are 17.1% above last June. The floor reset higher and it's holding. Don't confuse a fuel-driven dip with a soft market.

The carriers and shippers who win the next two quarters won't react to last month's number. They'll price the fuel move while it's still moving.

That's what we built BulkLoads Insights to do: real-time rate quoting by lane and commodity, fuel-adjusted estimates that move with the diesel curve, and verified, transaction-backed data behind every number here. Bring your toughest lane and book a 30-minute walkthrough with me at bulkloads.com/bulk-insights/. I'll show you the data.

John F. Calloway · Growth Architect, Enterprise · [email protected] · (417) 501-3934