1 Definition
A representation of the semantics of the Traffic Rules as identified by the traffic signs of the Vienna Convention.
2 Functional Requirements
The Traffic Rules Data Type only provides the semantics of traffic signs, not their visual representation which is assumed to be included in the device performing sign recognition.
The Vienna Convention on Road Traffic is used.
3 Syntax
https://schemas.mpai.community/CAV2/V1.0/data/TrafficaRules.json
4 Semantics
| Label | Size | Description |
| Header | N1 Bytes | CAV State Header |
| – Standard | 9 Bytes | The characters “CAV-TRR-V” |
| – Version | N2 Bytes | Major version – 1 or 2 Bytes |
| – Dot-separator | 1 Byte | The character “.” |
| – Subversion | N3 Bytes | Minor version – 1 or 2 Bytes |
| Traffic Rules | N4 Bytes | Vienna Convention on Road Traffic |
| – Road Signs | N5 Bytes | Vienna Convention on Road Traffic |
| – Danger warnings | N6 Bytes | Vienna Convention on Road Traffic |
| – Dangerous bend(s) | N7 Bytes | Vienna Convention on Road Traffic |
| – Other dangers | N8 Bytes | Vienna Convention on Road Traffic |
| – Priority signs | N9 Bytes | Vienna Convention on Road Traffic |
| – Prohibitory or restrictive signs | N10 Bytes | Vienna Convention on Road Traffic |
| – Prohibition and restriction of entry | N11 Bytes | Vienna Convention on Road Traffic |
| – Prohibited for a certain category of vehicle or road-user | N12 Bytes | Vienna Convention on Road Traffic |
| – Prohibition of turning | N13 Bytes | Vienna Convention on Road Traffic |
| – Prohibition of U-turns | N14 Bytes | Vienna Convention on Road Traffic |
| – Prohibition of overtaking | N15 Bytes | Vienna Convention on Road Traffic |
| – Speed limit | N16 Bytes | Vienna Convention on Road Traffic |
| – Prohibition of the use of audible warning devices | N17 Bytes | Vienna Convention on Road Traffic |
| – Prohibition of passing without stopping | N18 Bytes | Vienna Convention on Road Traffic |
| – End of prohibition or restriction | N19 Bytes | Vienna Convention on Road Traffic |
| – Prohibition or restriction of standing and parking | N20 Bytes | Vienna Convention on Road Traffic |
| – Mandatory signs | N21 Bytes | Vienna Convention on Road Traffic |
| – Direction to be followed | N22 Bytes | Vienna Convention on Road Traffic |
| – Pass this side | N23 Bytes | Vienna Convention on Road Traffic |
| – Compulsory roundabout | N24 Bytes | Vienna Convention on Road Traffic |
| – Compulsory cycle track | N25 Bytes | Vienna Convention on Road Traffic |
| – Compulsory footpath | N26 Bytes | Vienna Convention on Road Traffic |
| – Compulsory track for riders on horseback | N27 Bytes | Vienna Convention on Road Traffic |
| – Compulsory minimum speed | N28 Bytes | Vienna Convention on Road Traffic |
| – End of compulsory minimum speed | N29 Bytes | Vienna Convention on Road Traffic |
| – Snow chains compulsory | N30 Bytes | Vienna Convention on Road Traffic |
| – Compulsory direction for vehicles carrying dangerous goods | N31 Bytes | Vienna Convention on Road Traffic |
| – Special regulation signs | N32 Bytes | Vienna Convention on Road Traffic |
| – Signs indicating a regulation or danger warning applying to one or more traffic lanes: | N33 Bytes | Vienna Convention on Road Traffic |
| – Signs indicating lanes reserved for buses | N34 Bytes | Vienna Convention on Road Traffic |
| – ONE-WAY sign | N35 Bytes | Vienna Convention on Road Traffic |
| – Preselection sign | N36 Bytes | Vienna Convention on Road Traffic |
| – Signs notifying an entry to or an exit from a motorway | N37 Bytes | Vienna Convention on Road Traffic |
| – Signs notifying an entry to or exit from a road on which the traffic rules are the same as on a motorway | N38 Bytes | Vienna Convention on Road Traffic |
| – Signs indicating the beginning and the end of a built-up area | N39 Bytes | Vienna Convention on Road Traffic |
| – Signs having zonal validity | N40 Bytes | Vienna Convention on Road Traffic |
| – Signs notifying the entry to or exit from a tunnel where special rules apply | N41 Bytes | Vienna Convention on Road Traffic |
| – PEDESTRIAN CROSSING sign | N42 Bytes | Vienna Convention on Road Traffic |
| – HOSPITAL sign | N43 Bytes | Vienna Convention on Road Traffic |
| – PARKING sign | N44 Bytes | Vienna Convention on Road Traffic |
| – Signs notifying a bus or tramway stop | N45 Bytes | Vienna Convention on Road Traffic |
| – Signs indicating a stopping place in case of emergency or danger | N46 Bytes | Vienna Convention on Road Traffic |
| – Information, facilities or service signs | N47 Bytes | Vienna Convention on Road Traffic |
| – FIRST-AID STATION symbol | N48 Bytes | Vienna Convention on Road Traffic |
| – Miscellaneous symbols | N49 Bytes | Vienna Convention on Road Traffic |
| – Direction, position or indication signs | N50 Bytes | Vienna Convention on Road Traffic |
| – Advance direction signs | N51 Bytes | Vienna Convention on Road Traffic |
| – General case | N52 Bytes | Vienna Convention on Road Traffic |
| – Special cases | N53 Bytes | Vienna Convention on Road Traffic |
| – Direction signs | N54 Bytes | Vienna Convention on Road Traffic |
| – Confirmatory signs | N55 Bytes | Vienna Convention on Road Traffic |
| – Indication signs | N56 Bytes | Vienna Convention on Road Traffic |
| – Signs indicating the number and direction of traffic lanes | N57 Bytes | Vienna Convention on Road Traffic |
| – Signs indicating closure of a traffic lane | N58 Bytes | Vienna Convention on Road Traffic |
| – Sign notifying advised itinerary for heavy vehicles | N59 Bytes | Vienna Convention on Road Traffic |
| – Sign notifying an escape lane | N60 Bytes | Vienna Convention on Road Traffic |
| – Other signs | N61 Bytes | Vienna Convention on Road Traffic |
| – Additional Panels | N62 Bytes | Vienna Convention on Road Traffic |
| – Priority signs | N63 Bytes | Vienna Convention on Road Traffic |
| – Traffic light | N64 Bytes | Vienna Convention on Road Traffic |
| – Signals for Vehicular traffic | N65 Bytes | Vienna Convention on Road Traffic |
| – Non flashing lights | N66 Bytes | Vienna Convention on Road Traffic |
| – Flashing lights | N67 Bytes | Vienna Convention on Road Traffic |
| – Road marking | N68 Bytes | Vienna Convention on Road Traffic |
| – Longitudinal marking | N69 Bytes | Vienna Convention on Road Traffic |
| – Transversal marking | N70 Bytes | Vienna Convention on Road Traffic |
| – Markings on the carriageway | N71 Bytes | Vienna Convention on Road Traffic |
| – Danger warning | N72 Bytes | Vienna Convention on Road Traffic |
| – Dangerous bend(s) | N73 Bytes | Vienna Convention on Road Traffic |
| – Level crossing | N74 Bytes | Vienna Convention on Road Traffic |
| DescrMetadata | N75 Bytes | Descriptive Metadata |
