It can be used to mark driveways, parking lots, ditches, mailboxes or fences. More + Product Details Close. 48 in. Driveway Marker Red. The 48 in. Driveway Marker is ideal for The 48 in. Driveway Marker is ideal for safe navigation or identification of driveways, boundaries, parking lots, trails or special event locations. Its red reflector is highly visible on both sides. The durable pencil