Telling Road Signs Apart & the Driver's License Written Test

Traffic rules have many exceptions, and a well-known written-exam strategy is that choices containing words like "always" or "must" tend to be wrong. Of course this itself has exceptions, so don't over-rely on it — but starting from a position of doubt tends to earn you points.

A classic written-exam trick question. The duty to slow down near a safety zone applies when pedestrians are present, and does not apply when none are present. This is a great question for practicing the habit of doubting exceptions whenever you see the word "always."

A required stop means the tires must come to a complete halt, and the obligation to stop is not waived just because nothing is around. "There was no one around, so it was fine" is a classic excuse for failing to stop, and it can result in points and a fine.

Overtaking means changing your course (lane) to get ahead of the vehicle in front, while passing means moving alongside and ahead of the vehicle in front within the same lane. In places like tunnels or no-overtaking zones, "overtaking" may be banned while "passing" is not necessarily restricted — this distinction is a common exam topic.

A tunnel with no traffic lanes marked is a classic example of a no-overtaking zone. However, it is "overtaking" (which involves changing course) that is prohibited — there is no rule directly restricting "passing," i.e., moving alongside and ahead of the vehicle in front within the same lane. This distinction is a frequent exam point.

The rule of thumb for a lane change signal is about 3 seconds before (compared to a turn signal at an intersection, which is about 30 meters before). A common trick is mixing up "lane change = 3 seconds before" with "turning = 30 meters before," so remembering which number goes with which is key to scoring points.

Near an intersection, the rule is to stop and yield the right of way, but away from an intersection, the basic rule is to pull to the left to yield — you don't necessarily have to stop (there are also exceptions, such as narrow roads, where pulling to the right applies). The assumption that "emergency vehicle = must always stop, anywhere" is the source of this trick question.

"No Traffic" is a complete ban on passage that includes pedestrians, while "No Vehicle Entry" only bans vehicles from entering from a specific direction, such as the exit of a one-way street. Because the designs look similar, written exams commonly test whether you can tell them apart.

A single diagonal line means "No Parking" (you can still "stop," such as to let someone in or out, or to load/unload cargo for up to 5 minutes); an X (two diagonal lines) means "No Stopping or Parking" (you cannot stop at all, including brief stops). The signs look similar, so accurately reading the supplementary sign underneath (time period, day of week) is key to scoring points.

The "Maximum Speed" sign is a number inside a circle with a red border, while the "Minimum Speed" sign features a number on a blue circular background with a blue horizontal line (underline) beneath the number. Both can appear together on expressway mainlines, so being able to tell them apart is required.

"No Entry Except in Indicated Direction" is a regulatory sign meaning "within this entire intersection, you may not proceed in any direction other than this one." "Direction-Specific Lane Designation" is an instructional sign that designates, lane by lane, "from this lane, please proceed in this direction." Even though the arrow designs look similar, the exam tests whether you know the sign category (regulatory vs. instructional).

A classic written-exam trick because the two look nearly identical. A white arrow on a blue background is the "One-Way" regulatory sign, while a blue arrow on a white background is the "Left Turn Permitted" marker board (you may turn left even when the signal is red). Mixing them up and driving the wrong way can lead directly to a serious accident.

A yellow diamond is a warning sign that alerts you to upcoming hazards, such as "railroad crossing ahead," "traffic signal ahead," or "slippery road." Unlike regulatory signs (circular), there is no penalty for violating this sign itself, but ignoring it sharply raises your risk of an accident.

In a roundabout, vehicles must travel keeping right (viewed from the center of the circle, this appears as a counterclockwise arrow on the sign, not clockwise), and the sign depicts an arrow in that direction. This is often confused with the "roundabout ahead" warning sign, so be careful to note the difference.

The provisional license written exam consists of 50 true/false questions, and the passing line is 45 or more correct answers (a 90% pass rate). The time limit is roughly 30 minutes.

The provisional license written exam basically consists of true/false questions. A major difference with the full license written exam is that it also includes illustration-based situational judgment questions.

Driving on a provisional license requires a supervising passenger capable of giving instruction, plus a "Provisional License Practice" placard displayed on the front and back of the vehicle. A provisional license is, fundamentally, a license meant purely for practice.

Starting April 1, 2026, the minimum age to take the exam for a regular driver's license is lowered to 17 years and 6 months (the license itself continues to be issued only from age 18, as before). This is a system change to allow driving lessons to start earlier, and it also lowers the minimum age for taking the provisional exam itself.

On the driving-school route, only after completing the first-stage classroom and practical training, and then passing the provisional license written exam (50 true/false questions) and practical skills test, is the provisional license issued — allowing the student to move on to on-road training (the second stage).

The provisional license requires a fairly high standard: a 90% or higher pass rate (45 or more correct out of 50 questions). This is in common with the full license written exam (90 or more points out of a possible 100), which also demands a high accuracy rate.

A provisional license is a practice-only qualification held until you obtain a full license, requiring a supervising passenger and the display of the "Provisional License Practice" placard. The fact that you cannot drive alone is the decisive difference from a full license.

The full license written exam consists of 90 true/false questions (1 point each) plus 5 illustration-based situational judgment questions (2 points each), for a total of 95 questions and 100 possible points. Compared with the provisional exam, both the number and variety of questions increase.

The full license written exam requires 90 or more points out of a possible 100 to pass. The number is close to the provisional exam's 90% pass rate, but note that this one is measured in "points" (which includes the 2-point weighting of the illustration questions).

The illustration questions are 5 questions worth 2 points each, totaling 10 points. They are applied questions where you view an illustration depicting signs, signals, pedestrians, and similar elements, and judge things like "should you predict danger here and slow down?" — a format that's harder to handle through rote memorization of true/false facts alone.

The pass rate for the full license written exam is said to be roughly around 70%. Just as with the provisional exam, tricks involving absolute wording and confusingly similar signs tend to cause lost points, so practicing to recognize these "trick patterns" using past questions is effective.

The full license written exam has a time limit of roughly 50 minutes. Since it has more questions than the provisional exam (roughly 30 minutes, 50 questions), it is designed to allow somewhat more time as well.

Illustration questions present a scene with multiple elements drawn in — signs, signals, the position of pedestrians or cyclists — and ask the test-taker to judge "what kind of danger could occur next." This format is hard to handle through simple true/false memorization, and is designed to measure the hazard-prediction ability that's actually needed in real-world driving.

Starting April 1, 2026, a "blue ticket" (fine) system was introduced for traffic violations by bicyclists age 16 and older. Paying the fine avoids criminal proceedings — a shift from the previous "warning only" approach to genuinely enforceable penalties.

Effective April 1, 2026, the minimum age to take the exam was lowered to 17 years and 6 months. The license itself continues to be issued only from age 18, as before — this is a system change meant to let driving lessons start earlier.

A revision lowering the legal speed limit on residential streets without a center line from 60 km/h to 30 km/h is scheduled to take effect on September 1, 2026. The background is that the fatality rate in collisions with pedestrians is said to drop sharply around the 30 km/h threshold.

A "specified small moped" is a category that requires no driver's license, provided the maximum speed is 20 km/h or less and the rider is 16 or older. Wearing a helmet is only a recommended effort (with no penalty for not wearing one), and under certain conditions, a special mode allows travel on sidewalks.

Because tightened emissions regulations are ending production of 50cc models, vehicles of 125cc or less with maximum output limited to 4.0 kW or lower are now newly treated as "mopeds." However, the traditional moped rules still apply as-is: a legal speed limit of 30 km/h, two-stage right turns, and a ban on carrying a passenger.

Under the bicycle blue ticket system, the fine amount varies by type of violation, ranging roughly from 5,000 to 12,000 yen (for example, using a phone while riding tends to be at the higher end, while running a red light or riding against traffic falls somewhere in the middle). Since the amounts could still be revised as the system is put into practice, it's important to check official announcements at the time of enforcement.

Even though they're all lumped together as "mopeds," the standards for engine displacement, output, and maximum speed differ between regular mopeds (50cc), new-standard mopeds (125cc or less, with an output limit), and specified small mopeds (maximum 20 km/h, no license required) — and so does whether a license is needed. Be careful not to confuse them: even if a vehicle looks like it's 125cc, a full-power version of that same engine size cannot be ridden under the same rules.

Drivers age 70 or older must take the senior driver course when renewing their license. Depending on the age bracket, the content of the course (classroom instruction, in-car instruction, etc.) and whether a cognitive function test is required will differ.

Drivers 75 and older must take a cognitive function test in addition to the senior driver course. Furthermore, those with a certain violation history are also required to take a driving skills test (an in-car skills check). The key point is the conditional branch: if there is no violation history, a driving skills test is generally not required.

Drivers age 70 to 74 need only the senior driver course, and a cognitive function test or driving skills test generally does not apply to them. The system is designed so that the test requirements change at the age boundary of 75.

Among drivers 75 and older, those with a certain violation history in the past are required to take a driving skills test (an in-car check of driving ability). If there is no violation history, the basic mechanism is that they can renew with only the senior driver course and cognitive function test.

The cognitive function test is an evaluation, through tasks such as time orientation and cued recall (memory), that checks the state of cognitive functions needed for driving. Depending on the results, it may lead to a special aptitude test or a doctor's evaluation.

Ages 70–74 require only the senior driver course; age 75 and older requires the senior driver course plus a mandatory cognitive function test; and on top of that, only those with a certain violation history also need a driving skills test. This three-tier conditional structure is the overall picture of the senior driver system. Organizing the numbers and conditions together is the key to scoring points on this topic.