Colorado

Rocky Mountain (PADD 4)

$6.521

Diesel /gal · 40th cheapest

20.5¢

State fuel tax · 7th lowest

14.8%

OOS rate · 8th lowest

133,139

Inspections (24 mo)

Diesel price trend

Rocky Mountain (PADD 4) · 3 years, EIA weekly

Weekly on-highway diesel · 2023-11-06 → 2026-10-26

Fuel

Retail diesel6.521/gal

National avg: 6.521/gal · at or below average

Tax at the pump44.9¢/gal

■ State 20.5¢ ■ Federal 24.4¢ · per gallon

Roadside safety

FMCSA inspections in Colorado, last 24 months

Out-of-service rate14.8%

National avg: 17.7% · at or below average

Violations per inspection1.54

Out-of-service by inspection type

Driver28,296 viol · 37% OOS

Vehicle51,164 viol · 39% OOS

HazMat399 viol · 17% OOS

133,139

Inspections

21st most

204,372

Violations

30,326

OOS violations

22.8

Viol / 100 insp

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Diesel: U.S. Energy Information Administration (weekly, by region — states inherit their PADD region price). Fuel tax: FHWA Highway Statistics MF-121T. Inspections & out-of-service: FMCSA (last 24 months). Estimates for guidance, not official figures. Not affiliated with FMCSA.