https://gist.github.com/ElioLopez/0b725ab7d64690a6144713f8d66ed6e5
hard shoulder he hard shoulder, also known as the emergency lane or breakdown lane, is the area to the side of a roadway, usually delimited by a solid white line. It's primarily intended for emergency use, such as stopping in case of a breakdown, vehicle emergencies, or for emergency services to use.
Roadway The roadway refers to the main driving surface of a road or highway, typically delimited by lane markings. It's where vehicles travel, and it's designed and maintained for regular traffic flow.
Lay-by: A lay-by is a designated area along a road where vehicles can pull off to the side to stop temporarily. It's often used for rest breaks, to make phone calls, or to take in scenic views.