CASS Freight Index March 2026: The Freight Recession That Wasn't
Freight markets have a way of teasing recovery before delivering it. March 2026 data from the CASS Freight Index suggests the teasing phase might finally be turning a corner — but the numbers still require careful reading.
The Numbers: Familiar Decline, New Pattern
The March shipments reading came in at 1.007, down 4.5% year-over-year but up 3.0% over February's 0.978 — the second consecutive month of sequential improvement following February's blockbuster 10.4% month-over-month gain. In seasonally adjusted terms, shipments rose 1.0% month-over-month, the strongest back-to-back SA improvement since early 2022.
"The significant less-than-truckload mix likely explains why this index lags other indicators," said Tim Denoyer, senior analyst at ACT Research and author of the CASS report. "Tightness in dry van truckload is starting to radiate to other markets — reefer, flatbed, and eventually LTL and intermodal."
On the expenditure side, the March reading of 3.296 represents a 4.2% year-over-year increase and a 4.9% month-over-month jump. The math here matters: with volumes down 4.5% and expenditures up 4.2%, freight rates were running roughly 9% higher in March versus a year ago — a function of tight supply, not demand strength.
Why Two Months of MoM Gains Actually Means Something
Freight analysts watch sequential month-over-month data more carefully than headline year-over-year comparisons during transitions. The reason is simple: year-over-year comparisons can be distorted by base effects from prior years. Sequential data shows momentum.
Two consecutive months of sequential improvement — particularly a 10.4% spike in February followed by a 3.0% hold in March — suggests something real is happening beneath the surface. The index is now tracking toward a 1.5% year-over-year gain in the second half of 2026, if current run rates hold.
The trucking market isn't firing on all cylinders, but it's not stalling either.
What Carriers and Shippers Are Reading Differently
Here's where the consensus fractures.
Carriers point to tightening capacity as the dominant signal. DAT Trendlines showed an average March spot rate for dry van loads of $2.52 per mile (excluding fuel surcharges). Contract rates are following. For carriers who survived 2023-2024 rate compression, March data reinforces the case for holding the line on pricing.
Shippers see a volume picture that hasn't turned positive yet. The 4.5% annual decline in shipments is real. Inventory restocking — a traditional demand driver — hasn't broadened into a sustained upcycle. Many shippers are reading March's rate strength as a supply-side phenomenon, not a demand vindication.
The practical consequence: contract negotiations for Q2 and Q3 are unusually contentious this year. Carriers want multi-year commitments at current rates. Sophisticated shippers are locking in shorter windows — 90 to 180 days — rather than extending into what they believe is still a buyer's market.
Implications for Q2 Procurement Strategy
The CASS data creates a specific strategic fork for shippers:
If you believe the MoM trend: Lock in contract capacity now, before sequential recovery becomes year-over-year positivity. Spot rates typically spike 2-4 weeks ahead of contract resets when markets turn — and the CASS data is running ahead of the ATA tonnage index at this point in the cycle.
If you believe the YoY trend: Maintain short-cycle procurement, preserve spot optionality, and watch inventory-to-sales ratios. A single demand catalyst — a tariff front-run, a restocking wave, a carrier capacity event — changes the picture quickly.
The most defensible position for mid-market shippers in Q2: a hybrid approach. Lock 60-70% of expected volume in contracts at current rates. Keep 30-40% in spot exposure to capture downside scenarios while the market hasn't fully turned.
Shippers who use proactive, dynamic procurement strategies and maintain strong primary carrier relationships are better positioned to avoid cost spikes that come with short-notice spot coverage in this environment.
The Bottom Line
The freight recession that dominated 2023-2024 is technically over. What's replacing it isn't a boom — it's a slow, noisy, regionally uneven recovery. The CASS index has stopped falling. It hasn't started running yet.
That distinction matters for how you buy freight in Q2.
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