# IsolineAvoidanceZoneCategory
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Types of regulated zones that may affect routing.

## Contents
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 ** Category **   <a name="location-Type-IsolineAvoidanceZoneCategory-Category"></a>
The type of regulated zone: `CongestionPricing` for toll zones based on traffic levels, `Environmental` for low-emission zones, or `Vignette` for areas requiring special permits or stickers.  
Type: String  
Valid Values: `CongestionPricing | Environmental | Vignette`   
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/geo-routes-2020-11-19/IsolineAvoidanceZoneCategory) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/geo-routes-2020-11-19/IsolineAvoidanceZoneCategory) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/geo-routes-2020-11-19/IsolineAvoidanceZoneCategory)