The C24b sign is an information sign used in France to alert you to an upcoming slip road branching off to the left. These signs are crucial for helping drivers plan their route and lane position well in advance. Always pay attention to this sign, along with road markings and signals, to ensure a safe manoeuvre and avoid sudden, dangerous actions.
This C24b 'Slip road to left' information sign is crucial for planning your route and avoiding sudden manoeuvres. Mastering its meaning is essential for navigating French roads safely and passing your theory test revision.
Information signs make the road environment easier to interpret before a driver has to act. This sign may identify a one-way street, lane arrangement, pedestrian crossing, toll facility, tunnel, motorway, expressway, escape lane, or route condition. It should be read with markings, signals, and regulatory signs before changing speed, lane, or route. Official French sign code: C24b.
"Slip road to left" gives official information about road layout, direction, lanes, facilities, restrictions, tolls, tunnels, motorways, or traffic conditions. It helps drivers plan early and avoid sudden manoeuvres.
Get clear, practical answers to the most common questions about the C24b - Slip road to left 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 French driving theory exam in France.
The C24b sign informs drivers that a slip road is available or will be branching off to the left. Its primary purpose is to help you plan your journey, choose the correct lane in advance, and adjust your speed accordingly. It's part of a system of information signs designed to make driving easier and safer by providing advance notice of road layouts or facilities.
When you see the C24b 'Slip road to left' sign, you should start planning your route. This means identifying the correct lane for your intended path and preparing to move into it if necessary. It's essential to match the sign's information with any accompanying road markings or signals and to make any lane changes smoothly and safely well before the actual slip road.
No, the C24b is an information sign, not a regulatory one. It tells you that a slip road to the left is coming up and helps you plan, but it doesn't compel you to take it. You must still follow any traffic signals, priority rules, or lane restrictions. The sign's main role is to prevent sudden lane changes or route decisions made too late.
A common trap is treating this sign as a direct instruction, leading to unsafe lane changes. Drivers might also miss follow-up signs that provide more specific details about the slip road or the route ahead. Always remember that information signs like C24b require you to actively plan and confirm with road markings and signals, rather than just passively observe.
A clear reference image of the C24b - Slip road to left road sign used in France.

The C24b - Slip road to left road sign may also be known by these alternative names or terms.
The C24b - Slip road to left road sign is part of the France Information Signs category, which groups together signs with similar rules and functions.
Understanding subtle differences between similar traffic signs is key for theory test revision and safe driving in France. Comparing signs like the 'Slip road to left' with others aids memory and prevents errors, boosting your overall traffic sign recognition.

The Autoroute-F sign indicates you are on or approaching a French motorway.

Prepare for the 'End of Motorway' sign to safely transition off the autoroute.

The C112 'End of Tunnel' sign informs you about upcoming road conditions or layout changes.

The C113 Cycle Route sign informs you about road layout and facilities ahead.

The C114 'End of Cycle Route' sign signals the end of a designated cycle path.

The C115 sign indicates a dedicated route for pedestrians and cyclists.

The C116 sign marks the end of a dedicated pedestrian and cycle route.
Now that you've reviewed the full list of French road signs, enhance your understanding. Explore signs grouped by specific categories for deeper insights, test your recognition with practice questions, and solidify your knowledge for the Code de la route exam.
Browse All French Road Signs