moving in a constant direction on (a road, path, or any more or less horizontal surface)

soon we were driving along a narrow road

he saw Gary run along the top of the wall

extending in a more or less horizontal line on

cars were parked along the grass verge

you should definitely explore the paths along the river

hotels are springing up all along the coast

moving in a constant direction on a road, path, or any more or less horizontal surface

he continued to plod along

we sailed along

in or into company with others

he had brought along a friend of his

I went along to see Ray

she was thrilled to be along for the ride

make sure you take a camera along