public enum SignStandard : String, Codable
A road sign design standard.
A sign standard can affect how a user interface should display information related to the road. For example, a speed limit from the
RouteLeg.segmentMaximumSpeedLimits property may appear in a different-looking view depending on the
The Manual on Uniform Traffic Control Devices.
This standard has been adopted by the United States and Canada, and several other countries have adopted parts of the standard as well.
The Vienna Convention on Road Signs and Signals.
This standard is prevalent in Europe and parts of Asia and Latin America. Countries in southern Africa and Central America have adopted similar regional standards.
case viennaConvention = "vienna"