The markings are recognized as milestones on the bridge, to the degree that during bridge renovations in the 1980s, the Cambridge police department requested that the markings be restored, as they were routinely used in police reports to identify locations on the bridge. The renovators at the Massachusetts Highway Department went one better, scoring the concrete surface of the sidewalk on the bridge at intervals instead of the conventional . The Lambda Zeta (MIT) chapter of Lambda Chi Alpha, which created the smoot markings, continues to repaint the markings once or twice per year.