Knowledge Base
What is the difference between Flow DatexII, Flow – Protobuf and Flow Detailed Protobuf?
The following tables lists all flow features and their availability depending on the product type ( Flow, Flow Detailed) and output format (DATEX II, Protobuf).
| Individual Feature | Description | Flow - DATEX II | Flow - Protobuf | Flow Detailed - Protobuf | Flow Detailed Legacy - Protobuf |
|---|---|---|---|---|---|
| High road coverage | Feed covers road segments with high functional road classes and also many road segments with low functional road classes. | No | No | Yes | Yes |
| Traffic Condition | Provides a textual traffic condition indicator (e.g., 'stationary traffic' or ‘slow traffic’). | Yes | Yes | Yes | Yes |
| Heavy traffic | Adds support for the traffic condition “heavy traffic”. This feature only works in combination with the Traffic Condition feature. | Yes | Yes | Yes | Yes |
| Relative Speed | Provides an additional percentage value of the current speed compared to free flow. | Yes | Yes | Yes | Yes |
| Miles per hour | Mph is reported in addition to the speeds reported in kph. | Yes | Yes | Yes | Yes |
| Time to usual | Provides time in minutes for the speed to return to usual speed (Speed Profile). | No | Yes | Yes | Yes |
| HOV lanes | Adds separate speed entries for lanes reserved for high-occupancy vehicles. | No | Yes | Yes | Yes |
| Predictive Flow (15, 30, 45 minutes) | Provides predictive speeds for 15, 30, and 45 minutes in the future. | No | Yes | Yes | No |
| Predictive Flow (24h) | Provides predictive speeds for up to 24 hours in the future. | No | Yes | No | No |
| Dynamic sectioning | Allows sectioning which describes the road links in smaller sections when conditions vary considerably within a longer stretch. In case of prediction, sectioning is supported only for 15, 30, 45 minutes. | No | Yes | Yes | No |
| Map version | Provides the map version being used. | Yes | Yes | Yes | Yes |
| TMC | TMC location codes. | Yes | Yes | Yes | No |
| OpenLR | OpenLR binary strings. | Yes | Yes | Yes | Yes |
| TMC + OpenLR | OpenLR binary strings and TMC location where available in one feed. Requires that both referencing methods are supported in the requested country(s). | Yes | Yes | Yes | No |