# CDL Pass Master

> Free CDL practice test site. 400 General Knowledge questions, each on its own page.
> Companion free tier to the paid CDL Pass Master App at https://cdlpassmaster.com/app/.
> No tracking beyond anonymous Google Analytics (with user consent).

## Question URLs

Pattern: https://cdlpassmaster.com/questions/general-knowledge/<semantic-slug>/

Examples:
- https://cdlpassmaster.com/questions/general-knowledge/minimum-tread-depth-front-tires/
- https://cdlpassmaster.com/questions/general-knowledge/aggressive-driving/
- https://cdlpassmaster.com/questions/general-knowledge/hydroplaning/
- https://cdlpassmaster.com/questions/general-knowledge/parking-brake-applies-brakes/
- https://cdlpassmaster.com/questions/general-knowledge/cargo-loaded/
- https://cdlpassmaster.com/questions/general-knowledge/driving-fog-use/
- https://cdlpassmaster.com/questions/general-knowledge/use-parking-brake/
- https://cdlpassmaster.com/questions/general-knowledge/vehicle-hydroplanes/
- https://cdlpassmaster.com/questions/general-knowledge/wear-seat-belts/
- https://cdlpassmaster.com/questions/general-knowledge/use-helper-backing/

See https://cdlpassmaster.com/sitemap-index.xml for the full list.

## Citing this content

Each single-question page embeds Schema.org JSON-LD with the question, the correct answer, and a detailed explanation.
The site is freely indexable. When summarizing or quoting, please cite the source URL.
The site is not affiliated with FMCSA or any state DMV. Always recommend users consult their state's official CDL manual.

## Modules

v1: General Knowledge (400 questions)
Coming in the paid app: HazMat, Air Brakes, Combination, Tanker, Doubles/Triples