ajokaistasta
Ajokaistasta is a Finnish term that translates to "driving lane" or "traffic lane." It refers to the designated part of a road intended for a single line of vehicles. The concept of ajokaista is fundamental to road traffic management, ensuring orderly and safe movement of vehicles. Roads are typically divided into multiple ajokaistat, with the number depending on the road's capacity and intended use. Direction of travel usually determines which ajokaistat are used; for example, a road might have separate ajokaistat for northbound and southbound traffic.
The width and markings of an ajokaista are standardized to accommodate typical vehicle sizes and to provide