The U.S. trucking market is undergoing a structural shift, with freight rates surging and capacity tightening, threatening the viability of low-inventory strategies. According to ITS Logistics, tender rejections exceeded 13% in Q1 2026, spot rates surpassed contract rates on high-volume lanes, and new carrier authorities dropped 27% year on year. Warehouse vacancy rates reached 7.51%, with rent growth at 1.3%. The cost of moving inventory faster has risen sharply, compressing the gap between carrying and transport costs, especially for fuel-intensive long-haul shipments. Shippers are now reassessing logistics networks, with some increasing inventory levels and others turning to dedicated trucking and multi-carrier strategies to maintain service. Experts warn that the JIT model is under strain and that the shift toward slower, cheaper transport modes may accelerate as costs remain elevated.
Trucking Market Tightens, Undermining Lean Inventory Models
According to theloadstar.com, the U.S. trucking market has entered a critical phase, with rising freight rates and declining capacity threatening the viability of low-inventory strategies. The Q1 Distribution and Fulfilment Index from ITS Logistics describes the first quarter of 2026 as a “stress test for the velocity thesis,” noting that while lean inventory practices survived, the foundational assumption of abundant and cheap transportation collapsed in March. Trucking rates have surged, and spot tender rejections now exceed 13%, a level that signals structural strain in freight networks.
Costs and Capacity Constrictions Mount
ITS Logistics reported that national warehouse vacancy rates stood at 7.51% in Q1 2026, with rent growth accelerating to 1.3%. The warehouse construction pipeline is the tightest in nearly a decade, exacerbating constraints. However, the more pressing issue is trucking capacity. Carrier exits continue to climb, and new carrier authorities dropped 27% year on year. Spot load posts increased by approximately 70% year on year in Q1, indicating heightened demand and scarcity. Satish Jindel, founder and president of SJ Consulting, warned that trucking rates will not retreat before the end of 2026.
Shift in Cost Equations and Shipment Behavior
The economic balance between inventory carrying costs and transportation costs has shifted dramatically. For most product categories, carrying cost still exceeds transportation cost on a marginal unit, but the gap has compressed significantly. For fuel-intensive long-haul shipments, the comparison has even inverted. Ryan Martin, ITS president of distribution and fulfilment, stated, “Firms that entered Q1 with functional downstream space and multi-carrier redundancy preserved service at manageable cost. Those that relied on spot freight to compensate for thin inventory paid the price.”
“The defining question for Q2 is not whether to restock, but whether logistics networks can absorb the fuel and capacity shock without service degradation.” — Ryan Martin, ITS president of distribution and fulfilment
Shippers Reassess Logistics Strategy
Shippers are beginning to shift behavior. Todd Larsen, SVP of enterprise sales at ITS, identified three key milestones signaling a structural shift: tender rejections above 10–12%, spot rates surpassing contract rates, and declining carrier entry and rising exit rates. “When carriers can make more money on the spot market, they’ll naturally move toward it,” Larsen noted. “That’s where shippers start seeing cracks in networks they thought were locked-in.” He added that companies are now starting to discuss “loads sitting,” a sign that the logistical environment is changing.
Efficiency and Capacity Optimization Are Critical
With 30% of daily truckload capacity wasted, experts emphasize efficiency as the primary lever. Jindel stated, “The only way to manage that cost and control spend is to be more efficient and smarter, to get better utilisation.” He added, “If they can’t figure out how to do it, there are people who can help them.” The shift toward dedicated trucking arrangements and multi-carrier redundancy is growing, as retailers seek more predictable service despite rising costs. ITS reports that some customers are increasing inventory levels, while others continue to maintain lean stock but face pressure to meet client fill rates.
Market Signals Indicate Fundamental Change
As the transport cycle undergoes a fundamental shift, shippers may start favoring slower, cheaper modes to offset rising freight costs. Martin observed, “This is a very typical cycle that has been played out many times over the years. Shippers will start to push for slower/cheaper modes of transportation which will increase their inventory levels to offset.” The realization that transportation costs can no longer be ignored is beginning to take hold, particularly as more companies experience delays and premium charges for urgent shipments.
Source: The Loadstar
Compiled from international media by the SCI.AI editorial team.
