This prohibition sign, B-21, clearly indicates that making a left turn or a U-turn at the upcoming intersection is forbidden. It's often placed where these maneuvers could be hazardous or cause significant traffic disruption, such as on busy roads or before a one-way street. Remember that in Poland, this sign implicitly bans U-turns as well. You must continue straight ahead or turn right, unless other signs dictate otherwise.
This section details the B-21 'No Left Turn' sign, crucial for understanding Polish traffic rules and avoiding penalties. Learn its specific meaning, including the prohibition of U-turns, to prepare effectively for your theory test revision.
The B-21 sign is placed at intersections where turning left would be dangerous or cause major traffic delays. Crucially, in the Polish system, a 'No Left Turn' sign automatically also prohibits U-turns at that location. This is often used on busy multi-lane roads or where the left-hand street is a one-way road coming toward you.
Prohibits turning left and performing a U-turn at the intersection ahead.
Get clear, practical answers to the most common questions about the B-21 - No Left Turn road sign. Learn how the sign works, what rules it represents, and how it affects real driving situations. This FAQ strengthens your understanding and supports accurate decision making for the Polish driving theory exam in Poland.
The B-21 sign specifically prohibits making a 90-degree left turn into the intersection ahead. It also implicitly prohibits performing a 180-degree U-turn at that same intersection to travel in the opposite direction. This is a strict prohibition designed to manage traffic flow and safety.
When you encounter the B-21 sign, you are permitted to continue straight through the intersection or turn right, provided no other signs restrict these movements (like a B-22 'No Right Turn' sign). If you need to reach a destination on the left, you must look for an alternative route or a later, unrestricted intersection.
Yes, in the Polish traffic system, the B-21 'No Left Turn' sign automatically includes a prohibition on making U-turns at the same intersection. This is a crucial detail to remember for both driving and the theory exam. You cannot turn left or make a U-turn.
You'll usually see the B-21 sign at complex or busy intersections. This might include situations where the road to the left is a one-way street with oncoming traffic, or where turning left could create a significant hazard or gridlock on a multi-lane road. It's designed to simplify traffic movements and enhance safety.
A common trap is forgetting that the B-21 sign also prohibits U-turns. Learners might focus only on the 'left turn' aspect. Also, understanding that you must continue straight or turn right is key, and not attempting to force a left turn or U-turn, even if you see a gap in traffic, is essential for safe driving and passing the exam.
A clear reference image of the B-21 - No Left Turn road sign used in Poland.
The B-21 - No Left Turn road sign may also be known by these alternative names or terms.
The B-21 - No Left Turn road sign is part of the Prohibitory Signs (B) category, which groups together signs with similar rules and functions.
Comparing adjacent or similar traffic signs, like the 'No Left Turn' (B-21) and other prohibitory signs, sharpens your recognition and memory. Effective traffic sign comparison is key for accurate theory test revision and avoiding common mistakes.
B-1 Sign: Road Closed to All Traffic in Both Directions
The B-10 'No Mopeds' sign prohibits entry for all mopeds past this point.
B-11: No Entry for Cycle Rickshaws and Multi-Track Carts
Understand the B-13 sign: No vehicles carrying explosives or flammable goods allowed.
The B-13a sign means no vehicles carrying dangerous goods are allowed past this point.
B-14 Sign: No Vehicles Carrying Water Contaminants
The B-15 sign prohibits vehicles wider than the specified limit from passing.
After reviewing the full list of Polish road signs, explore specific sign categories for in-depth understanding. Challenge your knowledge with practice questions focused on sign recognition and interpretation to solidify your preparation for the driving theory exam.
Browse All Polish Road Signs
