CongestionLevel
public enum CongestionLevel : String, Codable, CaseIterable
                A CongestionLevel indicates the level of traffic congestion along a road segment relative to the normal flow of traffic along that segment. You can color-code a route line according to the congestion level along each segment of the route.
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There is not enough data to determine the level of congestion along the road segment.
Declaration
Swift
case unknown - 
                  
                  
The road segment has little or no congestion. Traffic is flowing smoothly.
Low congestion levels are conventionally highlighted in green or not highlighted at all.
Declaration
Swift
case low - 
                  
                  
The road segment has moderate, stop-and-go congestion. Traffic is flowing but speed is impeded.
Moderate congestion levels are conventionally highlighted in yellow.
Declaration
Swift
case moderate - 
                  
                  
The road segment has heavy, bumper-to-bumper congestion. Traffic is barely moving.
Heavy congestion levels are conventionally highlighted in orange.
Declaration
Swift
case heavy - 
                  
                  
The road segment has severe congestion. Traffic may be completely stopped.
Severe congestion levels are conventionally highlighted in red.
Declaration
Swift
case severe 
              Install in Dash
            
        CongestionLevel Enumeration Reference