Data Dictionary

Field Name Name Type Description Fixed Values
geojson GeoJSON GEOJSON Coordinates and attributes of the speed signs None
id ID DOUBLE Identifier for the record None
road_name Road Name STRING Name of road on which the speed zone applies None
sign_size Sign size STRING Size of the speed sign None
bearing Bearing Sign INTEGER The compass bearing of the sign None
latitude Latitude DOUBLE Historic field inherited from previous data None
new_limit_sign_status New limit sign status BOOLEAN Whether the sign has a New Limit plate indicating a recent change None
facing Facing STRING The direction a sign is facing None
days_to_remove_new _limit_sign Days to Remove New Limit Sign INTEGER Calculated field which indicates when the New Limit plate should be removed None
side_of_road Side of Road STRING Denotes whether the sign is on the left, right or both sides of the road None
speed_sign_id Speed Sign ID DOUBLE Identifier for the speed sign None
speed Speed INTEGER The speed limit displayed by the sign, expressed in km/h None
road_type Road type STRING Type of road associated with the name (i.e. Road, Street, Avenue, Court etc) None
speed_sign_change_request_status Speed sign change request status STRING Status of a speed sign change affecting the sign None
sign_type Sign Type STRING The type of speed sign. i.e. standard speed sign, electronic speed limit sign, speed limit ahead sign etc. END Shared Zone, END Speed Limit AREA, END Speed Limit AREA (Linear), Electronic Speed Limit Sign, New Speed Limit Ahead Sign, School Zone Speed Limit (Narrow Format), School Zone Speed Limit (Wide Format), Shared Zone, Speed Limit AHEAD, Speed Limit AHEAD (Multiple Times of Operation), Speed Limit AHEAD (Single Time of Operation), Speed Limit AHEAD on Side Road, Speed Limit AHEAD on Side Road (With Operating Times), Speed Limit AREA, Speed Limit AREA Reminder, Speed Limit Sign (Multiple Times of Operation), Speed Limit Sign (Single Time of Operation), Standard Speed Limit,
longitude Longitude DOUBLE Historic field inherited from previous data None
change_repeat_nature Change Repeat Nature STRING Denotes whether the sign is changing the speed zone or a repeater sign within the zone None
comments Comments STRING Free text field for any comments related to the installation None
variable_time_1_to Variable time 1 to DATETIME If the sign is for a variable speed limit, denotes the time the first period of the variable speed limit ends None
variable_time_1_from Variable time 1 from DATETIME If the sign is for a variable speed limit, denotes the time the first period of the variable speed limit starts None
variable_calendar_type Variable Calendar Type STRING Denotes if the sign is for a variable speed limit School, Seasonal, Shop, Side Road Activated Speed
variable_time_2_from Variable time 2 from DATETIME If the sign is for a variable speed limit, denotes the time the second period of the variable speed limit starts None
variable_time_2_to Variable time 2 to DATETIME If the sign is for a variable speed limit, denotes the time the second period of the variable speed limit ends None
speed_sign_change_request_id Speed sign change request ID STRING Identifier for a speed sign change workflow associated with the sign None
date_moa_modifed Date Moa Modified DOUBLE The date the Memorandum of Authorisation to change the speed limit sign was modified to reflect the new speed limit None
distance Distance Signs DOUBLE Distance of the sign from the nearest intersecting road None
intersection_road_type Intersection Road Type STRING Type of road associated with the intersecting road (i.e. Road, Street, Avenue, Court etc) None
date_sign_installed Date Sign Installed DOUBLE The date the current speed sign was installed None
intersection_road_name Intersection Road Name STRING Name of the nearest intersecting road to the speed sign None
date_sign_inspected Date sign inspected DOUBLE The date the installation of the speed sign was inspected None
road_authority_other Road Authority Other STRING Conditional field to provide road authority if it is not local or arterial None
state_electorate State Electorate STRING The State Electorate(s) where the speed zone segment is located None
lga LGA STRING The Local Government Area (LGA) where the speed zone segment is located None
variable_time_2_days Variable time 2 days STRING If the sign is for a variable speed limit, denotes the day(s) the second period of the variable speed limit ends None
speed_sign_status Speed sign status STRING Status of the speed sign (unused) None
postcode Postcode INTEGER The Postcode(s) where the speed zone segment is located None
suburb Suburb STRING The Suburb(s) where the speed zone segment is located None
variable_time_1_days Variable time 1 days STRING If the sign is for a variable speed limit, denotes the day(s) the first period of the variable speed limit ends None
region Region STRING The DTP region(s) where the speed zone segment is located None
date_sign_removed Date sign Removed TIME Date a sign was removed None
suplementary_signs Supplementary Signs STRING Denotes whether a supplementary sign is provided with the speed limit sign None
sign_size_details Sign Size Details STRING Free text field for any comments related to the speed sign None
inspection_requirement Inspection Requirement STRING Indicates whether inspection of the new sign is required None

Additional information

Field Value
Dataset Last Updated Date 1 September 2025
Publication Date 1 August 2018
Format GeoJSON
License Creative Commons Attribution 4.0
Open Data Title Speed Signs
Dataset File Size 155.4 MiB
Dataset Security Value BIL1 OFFICIAL - Authorised Public Release
Dataset Reporting Period Start 1 October 2025
Dataset Reporting Period End 31 October 2025
Geographic Coordinate System WGS84
Geographic Coverage Victoria