@AbbyPoliceDept Looks to me that they are railway Crossing ties. Engineering departments drop them off beside future Crossing replacement projects. Most likely gathered by nefarious individuals at night. I would start by contacting local railway Engineering departments.
@Maga_Trigger Before this i would never imagine the Secret Service would allow THE PRESIDENT to stand in one space for several seconds with head fully exposed not behind ballistics glass after already being "shot" once. Linda McMan probably taught the SS the razer blade technique.