"Online training for employees" returns a lot of general-purpose learning platforms built around the same core workflow: assign a course, the employee watches it, they click through an acknowledgment or a low-stakes quiz, and the system logs a completion date. That workflow is genuinely good at what it's built for -- policy rollouts, culture content, benefits walkthroughs. It's a weaker fit the moment the training has to prove something specific: that a driver actually knows the FMCSA hours-of-service rules, or that a worker actually understands lockout/tagout procedure well enough to not lose a hand.
Two different jobs wearing the same label
"Compliance training" gets used for both an HR acknowledgment (I have read and understood the harassment policy) and a regulatory knowledge requirement (I can pass the exam that gets me a permit to operate a commercial vehicle or work in a confined space). The first is genuinely satisfied by a checkbox -- the goal is documentation that the policy was communicated. The second isn't, because the regulation isn't asking whether the information was delivered, it's asking whether the person retained and can apply it. A platform built for the first kind of training usually has no real mechanism for the second: no question bank mapped to an actual exam blueprint, no scored practice attempts, no way to say with any confidence that a worker is ready.
What a regulatory-knowledge platform actually needs to do differently
A CDL driver's knowledge test is drawn from a defined blueprint the FMCSA publishes -- general knowledge, air brakes, combination vehicles, and whichever endorsements apply. A worker's OSHA 10 or 30 outreach course covers a set curriculum of named hazard categories. Testing readiness for either one means the practice material has to be mapped to that same real structure, not a generic "safety awareness" quiz assembled from whatever content was easiest to license. CQU's CDL General Knowledge bank runs 124 real questions against the actual federal knowledge areas; the Hazmat endorsement bank runs 111. That specificity is the entire value of the platform for this use case -- a generic LMS quiz bank isn't built against that blueprint and won't reliably predict who's going to pass the real test.
Why most companies end up running two systems, not one
This isn't really a tooling gap so much as a scope mismatch. An onboarding LMS is optimized for breadth -- hundreds of short courses across every department, easy authoring, integration with HR systems. A regulatory exam-prep platform is optimized for depth on a narrow, high-stakes set of knowledge areas, with real, current question banks that get updated when the underlying regulation changes. Building both well inside one platform means being mediocre at each. Most companies with a CDL fleet or an OSHA-regulated crew end up running the general LMS for onboarding and culture content, and a dedicated platform for the regulatory knowledge side -- not because they haven't found the right single vendor, but because the two jobs are genuinely different.