Fields ObjectID: GIS auto-generated unique identifier Angle: Sign rotation Text: Traffic Engineering department shorthand for sign type Text Long: Text on sign, where applicable Installation Date: Initial date of install Arrow Style: Used by Traffic Engineering for symbolization Replacement Date: Date of sign replacement Sign-ID: Unique identifier used for asset management purposes Ownership: Sign ownership (Null implies City of Madison) Maint By Agency: Maintenance agency Muni: Municipal location of signShape: GIS geometry type