Truck Tonnage Fell Again in August. What Does That Mean for Drivers?
The American Trucking Associations reported that its seasonally adjusted for-hire truck tonnage index fell 0.5% in August, following a 1.2% decline in July. Two consecutive months of decline in a closely watched industry index is the kind of data point that generates headlines and social media commentary. Before you adjust your business strategy based on a headline, it is worth understanding what the number actually measures — and what it does not.
What the ATA Tonnage Index Measures
The ATA for-hire truck tonnage index measures the weight of freight moved by for-hire carriers — trucking companies that haul goods for other businesses, as opposed to private fleets that haul their own products. It is a broad measure of freight activity across the for-hire segment of the industry.
The index is seasonally adjusted, which means the ATA has applied statistical techniques to remove the normal seasonal variation in freight volumes. August is typically a strong month for freight as retailers stock up for the fall and holiday seasons. A seasonally adjusted decline in August means freight activity was weaker than the seasonal pattern would predict — not just weaker than July.
That context matters. A 0.5% decline in a seasonally adjusted index is a different signal than a 0.5% decline in raw freight volumes during a month that is normally strong.
What the Index Does Not Tell You
The ATA tonnage index is one measure of freight activity. It is not a count of every load available to every driver. It is not a spot rate index. It is not a measure of what you will be paid for a load in your specific lane next week.
The index aggregates data from a large sample of for-hire carriers across the country. It reflects the average of a very diverse set of freight markets, lanes, commodity types, and carrier sizes. Within that average, there is enormous variation.
One customer may be moving more freight while another is cutting orders. A lane that serves a growing industrial market may be tightening while a lane that serves a slowing retail market softens. A region experiencing strong agricultural harvest activity may be seeing more freight while a region with declining manufacturing output sees less.
A national decline does not tell you the spot rate on a particular route, how much deadhead a return trip requires, or whether a dedicated customer will keep shipping at the same volume. The index is a useful data point for understanding broad trends. It is not a forecast for your specific business.
How to Use Macro Data Without Being Misled by It
Freight market data — tonnage indexes, spot rate indexes, load-to-truck ratios — is genuinely useful for understanding the environment you are operating in. The mistake is treating a national average as a prediction for your specific situation.
Here is a more useful approach:
Use the data as a prompt to review your own numbers. When you see a report that freight activity is declining, that is a signal to look at your own metrics. Are you booking loads as quickly as you were three months ago? Are the rates you are being offered higher, lower, or about the same? Are your customers shipping at the same volume, or have some of them reduced their freight?Your own data is more relevant to your business than any industry index. The index tells you what is happening on average. Your own numbers tell you what is happening in your lanes.
Compare loaded miles with total miles. Your loaded-mile percentage — the share of total miles you drive that are revenue-generating — is one of the most direct measures of how efficiently your operation is running. If your loaded-mile percentage is declining, you are spending more time and fuel on deadhead, which directly reduces your profitability.In a softening freight market, reducing deadhead often matters as much as finding another outbound load. A driver who can consistently find backhauls that cover fuel and contribute to fixed costs is in a fundamentally better position than a driver who runs empty on every return trip.
Watch how long it takes to book the next load. In a tight freight market, loads book quickly. In a soft market, it takes longer to find a load that meets your rate requirements. Tracking this informally — how long did it take me to book my last five loads? — gives you a real-time sense of market conditions in your lanes that no index can provide. Track whether each customer covers the cost of service. Not all freight is equally profitable. A dedicated customer who ships consistently, pays on time, and provides loads that fit your equipment and lanes is worth more than a spot market load that pays a few cents more per mile but requires significant deadhead and comes from a broker with slow payment terms.In a softening market, the value of reliable customers increases. Protecting those relationships — through consistent service, communication, and professionalism — is a business strategy, not just a courtesy.
The Freight Market Is Experienced One Dispatch at a Time
National freight data is useful context. It is not your business plan.
The drivers and owner-operators who navigate soft freight markets successfully are not the ones who read the most industry reports. They are the ones who know their costs, know their lanes, know their customers, and make deliberate decisions about which loads to accept and which to decline.
A 0.5% decline in the ATA tonnage index does not mean you should park your truck. It means you should be thoughtful about the loads you accept, attentive to your cost per mile, and proactive about finding freight that covers your costs and contributes to your business.
The freight market is experienced one dispatch at a time. What are you seeing in your lanes: fewer loads, lower rates, or no change? Share your real-world experience in the GladHands Pro community — driver-level data from specific lanes is more useful than any national average.
Source: American Trucking Associations' August 2026 truck tonnage index release.