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CDL — Commercial Driver's License in Idaho
Idaho Transportation Dept. (ITD) DMV; tests at county sheriff offices
📋 Exam facts
Real Idaho exam administration — from the official source
- Practice questions (this site)
- 1281
- Testing agency
- Idaho ITD (county sheriff offices)
- Real written-test languages
- English
- To pass
- 80% (General Knowledge 40/50) — federal min
- Fee
- $5 per knowledge/endorsement test; CLP $29; CDL issuance $40 (4-yr)
- Retake policy
- Re-test in 3 days after a failure (pay $5 again); passed results valid 1 year
- Languages note
- Idaho's 12-language knowledge-test list is scoped to the Class D/operator test only; the official CDL guide names no non-English option. No interpreter provision for CDL. HazMat endorsement English only.
✍️ Reviewed by the PassPrep editorial team · How we verify →
Languages, fees and rules change — confirm with the official source linked for each state. 待核 / 'To confirm' = not yet confirmed from an official source (shown honestly, never guessed). The 2025 federal English-Language-Proficiency action is roadside out-of-service enforcement, not a state test-language mandate; states set their own written-test languages (Texas and Florida moved to English-only in 2026).