The PersistentUpdate service allows a user to override aspects of the network. The overrides can be done on a per-road type, at a specific point or at a specific segment. The persistent update is valid only for a specific data source and may not be valid after a data update.

Using persistent updates to make these types of modifications, you have the ability to:

Note: Since persistent updates are changes made on a system-wide basis for routing data and all updates will persist, they should be used with caution. Response from REST service will be a success message.

Types of Persistent Updates

See the following sections for information and examples of the persistent update request types: