§ 110. Crosswalk. (a) That part of a roadway at an intersection
included within the connections of the lateral lines of the sidewalks on
opposite sides of the highway between the curbs or, in the absence of
curbs, between the edges of the traversable roadway.

(b) Any portion of a roadway at an intersection or elsewhere
distinctly indicated for pedestrian crossing by lines or other markings
on the surface.