Curbstone
/ˈkɜːrbstəʊn/
Definition 1 of 1
Pro Tip 1/3Urban Environments
Curbstones are commonly found in cityscapes or towns, marking pedestrian pathways. 
Modern urban planning includes the installation of uniform curbstones along the streets.
Pro Tip 2/3Safety Barrier
Curbstones can act as barriers for pedestrians, keeping them safe from vehicles. 
Children are taught to stay within the curbstone boundaries when walking.
Pro Tip 3/3Visual Cue
Curbstones often indicate a boundary between a road and a sidewalk visually. 
The freshly painted white curbstones made the street boundaries more noticeable.