The sign you referred to, "Multi-lane vehicles allowed" (1024-11), indicates that lanes are designated specifically for the use of multi-lane vehicles, such as buses, trucks, or other larger vehicles. This sign typically indicates that only vehicles with multiple lanes, which can include designated commercial vehicles, are permitted to use these lanes.

In general, this sign is used to manage road traffic by ensuring that larger vehicles can operate safely and efficiently on busy roads. If you see this sign, you should ensure that you are aware of the type of vehicle you are driving and follow the rules for lane usage as designated by this sign.

If you have any additional questions regarding traffic rules or other road signs, feel free to ask!