License restrictions — Massachusetts Permit Test

License restrictions on the Massachusetts permit test — 4 rules, each with the reason behind it and a question on it while it is fresh.

The rules

Restrictions are limits on your driving privileges, shown by code letters on the front and back of your license.

The letters are not decoration. Driving outside one of them is driving outside your license, and an officer reads the code before anything else.

Your driver's license may be issued with various restrictions, which are indicated by code letters on the front and back of your license.

Massachusetts Driver's Manual, p.8

A driver who passes the vision test wearing glasses or contacts gets a Corrective Lenses restriction and must wear them when driving.

The test measured the eyes with the lenses on. Driving without them puts a different pair of eyes behind the wheel than the one the state licensed.

If you pass the driver's license vision test by wearing glasses or contact lenses, your driver's license will be issued with a "Corrective Lenses" restriction (code letter B) and you must wear your corrective lenses when you drive.

Massachusetts Driver's Manual, p.9

The Junior Operator restriction is added to the license of every operator under 18.

It is not something a young driver earns by doing badly. Every license issued under 18 carries it, which is how an officer knows the night and passenger rules apply.

The Junior Operator restriction (code letter I) is added to the licenses of all operators under age 18.

Massachusetts Driver's Manual, p.9

Medical Affairs reviews applications that list a physical or mental condition and may issue restrictions matched to that condition.

The point is to keep people driving where it is safe to, rather than to refuse them. The restriction is built around the condition rather than around the class of license.

Medical Affairs, which reviews license applications listing physical or mental conditions that may affect a driver's abilities, may issue driving restrictions related to your current medical condition.

Massachusetts Driver's Manual, p.9

On the test

How are restrictions on a Massachusetts license shown?

By code letters on the front and back of the license. The letters are not decoration. Driving outside one of them is driving outside your license, and an officer reads the code before anything else. Massachusetts Driver's Manual, p.8: “Your driver's license may be issued with various restrictions, which are indicated by code letters on the front and back of your license.”

How this works

Most practice tests hand you a bank of questions and leave the manual somewhere else. This one puts them together.

You read one law and the reason behind it, then answer a question on that law while it is still fresh. Get it right and you move on; get it wrong and you have found the gap while it is cheap to fix, not on the morning of the exam.

Learning one rule at a time, and proving it immediately, is what turns a manual you skimmed into something you actually know — and it makes studying feel like getting somewhere rather than like waiting to find out.

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Where these come from

Every rule here is checked against Massachusetts Driver's Manual, published by the Massachusetts Registry of Motor Vehicles, and against the state code itself. Last checked 2026-09-16.