Hawaii Class B to Class A Upgrade Study Material Overview

Upgrade prep for Class B CDL holders moving to Class A, including combination vehicles, coupling, air brakes, and HOS theory.

Class B to Class A Upgrade for Hawaii CDL Applicants

Hawaii's CDL drivers support island freight, military installations, and the tourism supply chain on limited road networks. With inter-island freight, tourism supply chain, military logistics driving much of the freight in Hawaii, the Class B to Class A Upgrade material below is the part of the Hawaii CDL that those employers screen for first.

The Hawaii Class B to A upgrade: Combination Vehicles and Air Brakes knowledge tests at Hawaii county driver licensing offices, then a Class A skills test. Since February 2022, ELDT theory and behind-the-wheel training must also be logged with an FMCSA-registered provider before Hawaii county driver licensing offices will schedule the test.

Where Hawaii drivers use this

  • Almost every Class A and Class B vehicle in Hawaii; skip this test and your CDL carries an L restriction
  • Inter-island freight: event, production, and resort supply freight
  • Military logistics: defense and government logistics contractors
  • Agriculture and food import: refrigerated (reefer) loads of produce and food moving to distribution centers and out of state
  • Inter-island freight: event and production freight moving between venues

Most Hawaii CDL work runs the H-1, H-2, H-3 corridors and the Honolulu area, so the examples in the practice questions lean on the vehicles and loads you will see there.

Testing, appointments, and fees are handled by Hawaii county driver licensing offices. See the Hawaii CDL classes and Hawaii endorsements pages for the full licensing picture.

Common Hawaii questions

Is this Class B to Class A Upgrade material specific to Hawaii?
Yes. The knowledge test content is federal (49 CFR 383), so the questions apply in Hawaii, and this page adds Hawaii details: where you test (Hawaii county driver licensing offices), which Hawaii industries use this license, and the Hawaii corridors the examples are drawn from.
Where do I take the Class B to Class A Upgrade knowledge test in Hawaii?
Knowledge tests are given by Hawaii county driver licensing offices. Bring your Hawaii driver license, proof of residency, and your medical certificate; most Hawaii offices require an appointment for CDL testing.
How long do I have to study the Hawaii Class B to Class A Upgrade material?
Access lasts 120 days from purchase, and you can take 180 or 365 days instead at checkout. That is enough to study, take the practice tests, and pass at Hawaii county driver licensing offices with time to spare. Retakes in Hawaii are allowed after a short wait, so a second attempt is covered too.

Who should get the Hawaii Class B to Class A Upgrade Study Material

Already hold a Class B and being asked to pull trailers? Moving up to Class A means passing Combination Vehicles and Air Brakes. This program covers both, plus the upgrade theory.

Topics Covered for Hawaii Class B to Class A Upgrade Study Material

Combination Vehicle Dynamics

Upgrading from Class B to Class A means operating vehicles with fundamentally different handling. Off-tracking, rearward amplification, and trailer swing all require new driving habits. The Combination Vehicles written test focuses on these differences compared to single heavy vehicles.

Coupling and Uncoupling Procedure

Correctly connecting a tractor to a trailer is a critical Class A skill tested both on the written exam and during the skills test. This module covers the exact coupling sequence that examiners expect to observe during the pre-trip exercise.

Air Line Connections

Class A combination vehicles use service and emergency air lines between the tractor and trailer that Class B drivers have not typically operated. You will learn how to connect them correctly, perform pressure checks, and identify warning signs of failure.

Hawaii CDL Trailer and Coupling Inspection

Adding a trailer to your pre-trip inspection means covering the coupling area, fifth wheel, air connections, trailer brakes, and landing gear in sequence. The Class A skills test expects you to demonstrate all of these additional inspection points.

Hawaii CDL Class A Test Readiness

The Class A upgrade requires passing the Combination Vehicles written knowledge test plus completing a new skills test on a Class A vehicle. This section prepares you for the content differences, scoring criteria, and what Class A evaluators assess differently from Class B.

Hawaii Class B to Class A Upgrade Study Material

HI Class B to Class A Upgrade Study Material Includes

  • Combination Vehicles
  • Air Brakes
  • Class B to A Upgrade Theory

$39.85$37.95

You save $1.90 vs. buying the HI CDL test prep study material separately

Study Material Access Duration

120, 180, 365 days of access · No subscription

No subscription, no auto-renewal: 120 days of access included, or extend to 180 or 365 days at checkout.

Failing your Hawaii CDL exam costs more than preparing.