B2 license cannot drive B1 vehicles. B1 is a type of bus license, while B2 is a truck license. The vehicle types permitted under a B2 driver's license include C1 (small cars), C2 (small automatic transmission cars), C3 (low-speed trucks), C4 (three-wheeled cars), and M (wheeled self-propelled machinery). Differences between B1 and B2: Vehicle types: B1 permits driving medium-sized passenger vehicles such as C1, C2, C3, C4, and M, including urban buses with a capacity of 10 to 19 passengers. B2 license allows driving heavy and medium-sized trucks or large, heavy, and medium-sized specialized operation vehicles, primarily heavy and medium-sized trucks. For example, the large dump trucks commonly seen on roads fall under heavy trucks. Large, heavy, and medium-sized specialized operation vehicles refer to vehicles equipped with special devices or tools, such as water sprinklers, concrete mixers, and fire trucks. Driver requirements: B1 requires drivers to be between 21 and 50 years old. A B1 license cannot be directly applied for; it requires 3 years of driving experience and no record of accumulating 12 penalty points in three consecutive scoring cycles. B2 requires drivers to be at least 155 cm tall and between 20 and 50 years old. A B2 license can be directly applied for. Application conditions: B1 cannot be directly applied for; it can only be upgraded from C-class or B2 licenses. B2 can be directly applied for by anyone aged 20 or above. B2 can also be upgraded from B1 and C-class licenses. Upgrading conditions: Upgrading from C-class to B2 requires only one year of driving experience. Upgrading from C-class to B1 requires three years of driving experience and no record of accumulating 12 penalty points during those three years. Test vehicles and content: B1 tests use medium-sized buses, while B2 tests use large trucks. B1 and B2 licenses do not include each other, and both can be obtained by individuals aged 20 to 60. However, they can be upgraded to each other.
