The D10 sign indicates a dedicated lane or carriageway exclusively for scheduled public transport vehicles and potentially other specifically authorised vehicles. This sign aims to improve traffic flow and reliability for public transport. As a driver, you must recognise this lane and avoid entering it unless your vehicle is explicitly permitted, often clarified by additional signage or road markings.
Learn the key details of the D10 - Mandatory Lane or Carriageway for Public Transport and Authorised Vehicles road sign, including its function, what it communicates to drivers, and how it applies in real traffic situations in Sweden. Use this overview to understand the sign clearly and recognise it confidently during the Swedish driving theory exam.
This sign indicates that a specific lane or roadway is designated for vehicles in scheduled public transport service and potentially additional authorised vehicle categories. It is used to prioritise public transport flow, reduce delays, and increase safety by separating different traffic streams. The exact set of permitted vehicles can vary, and may be defined by accompanying signage, local regulations, or supplementary plates. In practical driving, you must recognise these reserved lanes early and avoid entering them unless your vehicle category is explicitly allowed.
This lane or carriageway is reserved for vehicles in scheduled service and other specified vehicles.
Get clear, practical answers to the most common questions about the D10 - Mandatory Lane or Carriageway for Public Transport and Authorised Vehicles 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 Swedish driving theory exam in Sweden.
The D10 sign means that the lane or carriageway it applies to is reserved for vehicles in scheduled public transport services and possibly other authorised vehicles. You should not use this lane unless your vehicle type is permitted.
Generally, no. The D10 sign specifically reserves the lane for public transport and other authorised vehicles. Unless there is a supplementary sign or marking clearly stating otherwise, regular cars are prohibited from using these lanes.
A common exam trap is assuming you can use the lane if it's empty or to bypass traffic. You must always check for permitted vehicle types and adhere to the restriction. Another trap is not noticing supplementary signs that might specify time restrictions or additional authorised vehicles.
The term 'authorised vehicles' can vary. It might include taxis, emergency vehicles under certain conditions, or specific local transport services. Always look for supplementary plates or road markings below the D10 sign, as these will specify exactly which other vehicle categories are permitted.
Generally, stopping or parking is prohibited in a mandatory public transport lane unless explicitly permitted by additional signs. These lanes are intended for moving traffic, so obstructing them can cause significant disruption to public transport services.
You'll typically see the D10 sign in urban areas or on busy routes where dedicated lanes help manage traffic flow and prioritise public transport. They are designed to keep buses and trams moving efficiently, especially during peak hours.
A clear reference image of the D10 - Mandatory Lane or Carriageway for Public Transport and Authorised Vehicles road sign used in Sweden.

The D10 - Mandatory Lane or Carriageway for Public Transport and Authorised Vehicles road sign may also be known by these alternative names or terms.
The D10 - Mandatory Lane or Carriageway for Public Transport and Authorised Vehicles road sign is part of the Mandatory Signs (D) category, which groups together signs with similar rules and functions.