Defining the Minibus (Minibüs) in Turkish Law\n\nUnder the Turkish Highway Traffic Regulation issued by the General Directorate of Highways (KGM), a minibus is defined as a passenger-carrying motor vehicle with a seating capacity between 9 and 17 seats, including the driver's seat. If a vehicle has fewer than 9 seats, it is legally classified as an automobile (otomobil). If it has more than 17 seats, it escalates to the bus (otobüs) category. Recognizing these precise numerical thresholds is a highly tested concept on the MTSK e-sınav theory exam, as license privileges and road rules change instantly at these boundaries.\n\n## Licensing Requirements: Class B vs. Class D1\n\nMany learner drivers incorrectly assume that a standard Class B passenger car license permits them to drive small commercial passenger vans. In Türkiye, a Class B license only allows you to drive vehicles with up to 9 seats (8 passengers + 1 driver). To legally operate a minibus, drivers must upgrade to a Class D1 license. Achieving a Class D1 license requires the applicant to be at least 21 years of age and already hold a valid Class B license, ensuring that minibus drivers possess sufficient on-road experience before taking responsibility for larger groups of passengers.\n\n## Speed Limits and Roadway Behavior\n\nBecause minibuses carry a higher passenger payload and have a higher center of gravity than standard passenger cars, they are subject to more conservative speed limits on Turkish roadways. On standard two-way intercity highways, minibuses are restricted to 80 km/h. On divided highways (bölünmüş yollar), their limit is set at 90 km/h, and on motorways (otoyol), they may travel up to 100 km/h. These limits are strictly enforced by radar systems, and understanding these exact numbers is crucial for scoring well on the traffic rules portion of the official theory exam.\n\n## Key Safety and Transport Regulations\n\nMinibuses frequently operate as commercial school shuttles (okul taşıtı) or public transit lines in urban Turkish environments. Consequently, they are subject to rigid inspection and equipment rules. By law, minibuses must undergo mandatory technical inspections (muayene) every single year, unlike private passenger cars which are inspected biannually. Additionally, they must carry safety gear including a first aid kit, a specific size of fire extinguisher, and have functional seatbelts for every single passenger seat. In theory tests, questions often target these specific safety mandates to ensure future drivers prioritize passenger protection.