# CDL Help

> CDL Help is a CDL (Commercial Driver's License) exam preparation platform offering 3,000+ practice test questions across all 7 CDL categories for all 50 U.S. states, plus educational guides, pre-trip inspection checklists, road signs study tools, and directories for CDL schools, truck driver jobs, and trucking services. Available in 10 languages.

The site is organized around: (1) interactive practice tests for each CDL exam category and state, (2) long-form educational guides about the CDL process, (3) study materials for pre-trip inspection, road signs, and Texas CVO, and (4) industry directories. All content URLs follow the pattern `/{locale}/...` with 10 supported locales: en, es, ru, ko, pt, tr, uk, uz, zh, ar. The links below use the English (`/en/`) locale.

State-specific practice test pages follow the pattern `/en/cdl-practice-test/{state-code}/{state-name}-cdl-{category}-practice-test` across 51 states/DC and 7 categories (~408 pages). These contain state-specific CDL requirements, fees, and interactive quizzes. Only the California page is listed below as a representative example.

## Guides

- [How to Become a Truck Driver](https://www.cdlhelp.com/en/how-to-become-a-truck-driver): Step-by-step guide covering required documents, CDL classes (A, B, C), and the two-part exam process (written + skills test)
- [How to Get a CDL Permit](https://www.cdlhelp.com/en/how-to-get-cdl-permit): CLP process including three exams (General Knowledge 50 questions, Air Brakes 25, Combination 25), prerequisites, costs (~$100), 14-day waiting period, and ELDT requirement
- [What Is Taught in CDL Schools](https://www.cdlhelp.com/en/what-is-taught-in-cdl-schools): CDL school curriculum covering traffic rules, pre-trip inspection, parking, road test components, admission requirements, and costs ($2,500-$5,000)
- [How to Use CDL Help](https://www.cdlhelp.com/en/how-to-use-cdl-help): App usage guide explaining practice modes, audio support, progress tracking, and pre-trip inspection features

## Blog

- [ELDT Requirements: What New CDL Drivers Need to Know](https://www.cdlhelp.com/en/blog/eldt-requirements-what-new-cdl-drivers-need-to-know): Federal Entry-Level Driver Training mandate (effective Feb 7, 2022), who must complete it, curriculum details, and how to find approved providers via the FMCSA Training Provider Registry
- [Essential CDL Endorsements Guide for New Truckers](https://www.cdlhelp.com/en/blog/essential-cdl-endorsements-guide-for-new-truckers): Five endorsement types (HazMat, Tanker, Doubles/Triples, Combination X, Passenger/School Bus), career impact, pay differences, and prioritization framework
- [How Much Do U.S. Truck Drivers Make in 2025](https://www.cdlhelp.com/en/blog/how-much-do-us-truck-drivers-make-in-2025-average-salary-key-pay-factors-tips-to-boost-earnings): Salary data ($70K-$95K company drivers, $323K-$340K owner-operators gross), pay factors by employment type, geography, and earnings-boost strategies
- [Manual vs Automatic Transmission in CDL Training](https://www.cdlhelp.com/en/blog/manual-vs-automatic-transmission-in-cdl-training-which-should-you-choose): Comparison of manual vs automatic CDL training, the "E" restriction from automatic-only training, industry trends (90% of new trucks use automatics), and career implications

## Practice Tests

- [CDL Practice Test Hub](https://www.cdlhelp.com/en/cdl-practice-test): Main entry point for 3,000+ practice questions across 7 categories, with explanation of CDL classes and the CLP process
- [General Knowledge Practice Test](https://www.cdlhelp.com/en/cdl-practice-test/general-knowledge): 50-question interactive quiz covering merging, hazmat documents, brakes, emergency procedures, and BAC thresholds
- [Air Brakes Practice Test](https://www.cdlhelp.com/en/cdl-practice-test/air-brakes): 25-question quiz on air brake systems, inspection, and operation
- [Combination Vehicles Practice Test](https://www.cdlhelp.com/en/cdl-practice-test/combination): 20-question quiz on coupling, uncoupling, and combination vehicle safety
- [HazMat Practice Test](https://www.cdlhelp.com/en/cdl-practice-test/hazmat): Practice questions on hazardous materials handling, placarding, and documentation
- [Tanker Practice Test](https://www.cdlhelp.com/en/cdl-practice-test/tanker): Practice questions on tanker vehicle operation and liquid cargo safety
- [Doubles/Triples Practice Test](https://www.cdlhelp.com/en/cdl-practice-test/doubles-triples): Practice questions on doubles and triples trailer operation
- [Passenger Vehicle Practice Test](https://www.cdlhelp.com/en/cdl-practice-test/passenger): Practice questions on passenger vehicle safety and operation
- [CDL Practice Tests by State](https://www.cdlhelp.com/en/cdl-practice-test/by-state): Directory of all 50 states + DC with links to state-specific CDL requirements and practice tests
- [California CDL Practice Test](https://www.cdlhelp.com/en/cdl-practice-test/ca/california-cdl-practice-test): Example state page with California-specific requirements (age, ELDT hours, CLP holding period, non-domiciled CDL rules) and 7 category quizzes

## Study Materials

- [Pre-Trip Inspection Guide](https://www.cdlhelp.com/en/pre-trip-inspection): 19-section CDL pre-trip inspection checklist covering engine compartment, suspension, brakes, coupling, trailer, and in-cab inspection with study and exam-day tips
- [Road Signs Hub](https://www.cdlhelp.com/en/road-signs): Overview of road sign study tools with three learning modes (list, quiz, flashcards) across Warning, Regulatory, Guide, and Construction categories
- [Road Signs List](https://www.cdlhelp.com/en/road-signs/list): Searchable catalog of 85+ U.S. road signs with images, filterable by category
- [Road Signs Quiz](https://www.cdlhelp.com/en/road-signs/test): 20-question interactive road sign identification quiz
- [Road Signs Flashcards](https://www.cdlhelp.com/en/road-signs/flashcards): Flashcard study mode for road signs with progress tracking
- [Texas CVO Knowledge Test](https://www.cdlhelp.com/en/cdl-texas): Texas-specific Commercial Vehicle Operations exam prep with 83 questions covering vehicle operations, safety regulations, hazmat, and Texas documentation requirements

## Directories

- [CDL Schools Directory](https://www.cdlhelp.com/en/schools): Search and compare CDL training programs by state, with cost, schedule, and placement rate information
- [Truck Driver Jobs](https://www.cdlhelp.com/en/jobs): Job board for CDL drivers filterable by CDL class, route type (OTR/local), trailer type, and state
- [Trucking Services](https://www.cdlhelp.com/en/services): Directory of trucking service providers (accounting, safety, repair, dispatch, insurance) by state
- [DOT Physical Exam Locator](https://www.cdlhelp.com/en/dot-physical-exam/search): ZIP code search for FMCSA-certified DOT medical examination centers
- [Industry News](https://www.cdlhelp.com/en/news): CDL industry news covering regulatory changes, FMCSA enforcement, and state-specific CDL policy updates

## Support

- [FAQ](https://www.cdlhelp.com/en/frequently-asked-questions): Answers to common questions about CDL testing (states offering Russian exams, question counts, passing scores, retake policies), app pricing (free/Express/Full tiers), and CDL school costs ($2,500-$5,000)
- [Download App](https://www.cdlhelp.com/en/download): CDL Help mobile app for iOS (12.0+) and Android (5.0+) with 1,200+ offline practice questions and 10-language support
- [Contact](https://www.cdlhelp.com/en/contact): Contact form for reaching CDL Help support

## Optional

- [Privacy Policy](https://www.cdlhelp.com/en/privacy-policy): Data protection practices, GDPR/CCPA compliance, and user rights (updated March 2, 2026)
- [Terms and Conditions](https://www.cdlhelp.com/en/terms-conditions): Service agreement covering subscriptions, intellectual property, liability, and dispute resolution (updated March 2, 2026)