Freight Pulse Daily Brief
U.S. freight signals for September 23, 2026
Freight Pulse shows 3 of 8 monitored U.S. corridors with elevated route-scoped weather disruption risk, 3 corridor weather flags, and national diesel at $6.53/gal. 7 freight-calendar items remain active or upcoming. These are public signals for planning context, not private quote amounts or a forecast.
Boundary: Freight Pulse tracks public signals, not private quote amounts. It is context for planning conversations, not a prediction engine.
What changed in diesel costs today?
National on-highway diesel is $6.529/gal for 2026-09-21; week-over-week movement is +3.9%, the 3-month move is +35.1%, and the year-over-year move is +74.2%. Source: U.S. Energy Information Administration diesel series.
- I-80: $6.680/gal regional diesel signal. Source: EIA via corridor PADD mapping.
- I-95: $6.268/gal regional diesel signal. Source: EIA via corridor PADD mapping.
- I-10: $6.177/gal regional diesel signal. Source: EIA via corridor PADD mapping.
- I-35: $6.680/gal regional diesel signal. Source: EIA via corridor PADD mapping.
- I-75: $6.680/gal regional diesel signal. Source: EIA via corridor PADD mapping.
- I-40: $6.177/gal regional diesel signal. Source: EIA via corridor PADD mapping.
- I-70: $6.340/gal regional diesel signal. Source: EIA via corridor PADD mapping.
- I-5: $7.456/gal regional diesel signal. Source: EIA via corridor PADD mapping.
What does the public carrier population show?
FMCSA shows 432,606 active interstate for-hire carriers in the current strict Pulse definition as of 2026-09-23. Calendar-month authority flow for 2026-09 is +3,774 net authorities after grants, reinstatements, revocations, and suspensions are deduped by docket. Source: FMCSA Company Census File and Motus authority history.
Methodology: Carriers declaring property cargo; carriers hauling only passengers or household goods are excluded.
Where is route-scoped weather disruption risk elevated?
- I-80 I-80 Midwest-East corridor: Low weather disruption risk. No active severe or extreme NWS alerts along the modeled route. Source: NOAA National Weather Service alerts matched to the modeled corridor route.
- I-95 I-95 Atlantic Coast Corridor: Low weather disruption risk. No active severe or extreme NWS alerts along the modeled route. Source: NOAA National Weather Service alerts matched to the modeled corridor route.
- I-10 I-10 Southern Border Corridor: Medium weather disruption risk. 1 active route-scoped NWS alert: Flood Watch near Upper Gila River Valley and Southern Gila Foothills/Mimbres Valley (+13 more listed areas). Source: NOAA National Weather Service alerts matched to the modeled corridor route.
- I-35 I-35 Central Flow Corridor: Low weather disruption risk. No active severe or extreme NWS alerts along the modeled route. Source: NOAA National Weather Service alerts matched to the modeled corridor route.
- I-75 I-75 Great Lakes to South Corridor: Medium weather disruption risk. 1 active route-scoped NWS alert: Flood Watch near Jackson and Laurel (+18 more listed areas). Source: NOAA National Weather Service alerts matched to the modeled corridor route.
- I-40 I-40 Southwest Mid-South Corridor: Medium weather disruption risk. 1 active route-scoped NWS alert: Flood Watch near Northwest Plateau and Chuska Mountains (+37 more listed areas). Source: NOAA National Weather Service alerts matched to the modeled corridor route.
- I-70 I-70 Central Mountain Corridor: Low weather disruption risk. No active severe or extreme NWS alerts along the modeled route. Source: NOAA National Weather Service alerts matched to the modeled corridor route.
- I-5 I-5 West Coast Corridor: Low weather disruption risk. No active severe or extreme NWS alerts along the modeled route. Source: NOAA National Weather Service alerts matched to the modeled corridor route.
Where are weather flags affecting freight context?
- I-10: 1 active route-scoped NWS alert: Flood Watch near Upper Gila River Valley and Southern Gila Foothills/Mimbres Valley (+13 more listed areas). Source: NOAA National Weather Service alerts.
- I-75: 1 active route-scoped NWS alert: Flood Watch near Jackson and Laurel (+18 more listed areas). Source: NOAA National Weather Service alerts.
- I-40: 1 active route-scoped NWS alert: Flood Watch near Northwest Plateau and Chuska Mountains (+37 more listed areas). Source: NOAA National Weather Service alerts.
What freight-calendar windows are worth checking?
- Atlantic hurricane season (2026-06-01 to 2026-11-30): Coastal and Southeast lanes can see weather-driven appointment, port, and routing pressure during named-storm monitoring. Source: NOAA National Hurricane Center.
- CVSA International Roadcheck (2027-05-12 to 2027-05-14): Three-day roadside inspection activity can make compliant carrier capacity more selective around open-deck and time-sensitive moves. Source: Commercial Vehicle Safety Alliance.
- CVSA Brake Safety Week (2027-08-23 to 2027-08-29): Brake-focused inspection week can tighten dispatch choices for trucks that need to move immediately. Source: Commercial Vehicle Safety Alliance.
- Christmas-New Year receiving window (2026-12-24 to 2027-01-02): Holiday receiving schedules can compress pickup, delivery, and dock appointment options even when trucks are available. Source: U.S. Office of Personnel Management.
- Upper Midwest seasonal load-limit window (2027-02-15 to 2027-05-31): Seasonal road restrictions are declared by state agencies and can affect overweight routing, permits, and rural delivery planning. Source: State DOT seasonal load-limit notices.
- Snoqualmie Pass winter travel watch (2026-11-01 to 2027-04-30): Mountain-pass weather and chain controls can affect Northwest transit planning; Freight Pulse keeps this state-scoped until an I-90 corridor exists. Source: Washington State Department of Transportation.
- Raton Pass winter travel watch (2026-11-01 to 2027-04-30): Southern Rockies winter conditions can affect timing and equipment planning; Freight Pulse keeps this state-scoped until an I-25 corridor exists. Source: Colorado Department of Transportation.
What does public rail dwell show?
Public rail dwell is unavailable in this snapshot. Source: U.S. Surface Transportation Board when present.