Related table of specialty markings dates. The work order ID originated from the roadway markings work orders and the contractor work order dataset that pulls from the Signs and Markings Operations Work Order tracking system. The work dates originate from data tracker or were collected in GIS prior to the association of work order IDs to specialty markings assets. Specialty markings are separated into types that include arrows, word legends, parking space boundaries, raised pavement markings (RPM), symbols, and other pavement markings.