The grandfather of Billy Baker, the boy who was struck by a trailer last weekend, spent Saturday morning trying to slow cars as they drove over a notorious bump on North Second Street.

For hours Saturday, Coye Baker, shown above with Billy’s cousin Amanda McCoy, darted into the right lane of North Second as cars approached, despite Lawrence

Police protests that he remain on the sidewalk. “Slow ‘er down,” Baker yelled at cars. “Take ‘er down.”

Baker, the grandfather of Billy, 15, wasn’t protesting, he said. Rather, he simply wanted cars to slow down near the intersection where a trailer apparently hit the road bump, detached from a truck and struck his grandson, who is autistic and legally blind.

He knew the city planned to begin repairs to the street Monday, he said. But that didn’t matter Saturday. “That ain’t today,” Baker said. “Somebody can get hurt today.”

Baker was joined by other friends and family, including Sherry McCoy, the boy’s aunt, and Nancy McKee, whose children went to school with Billy. Police dispatchers said the group eventually left the sidewalk without incident.