Area of corridor shape which routes must not cross. Strictly enforced. Violations are reported as SectionNoticeCode.violatedBlockedRoad. Note: This avoidance option is not supported for IsolineOptions. If it is defined for isoline calculation then an sdk.routing.RoutingError.INVALID_PARAMETER error is generated. Even though GeoCorridor.half_width_in_meters is an optional property in case of exception areas it is mandatory. Otherwise route calculation will fail with an sdk.routing.RoutingError.INVALID_PARAMETER error.