public Builder clearRoadTraffic() {
      if (trafficOptionCase_ == 5) {
        trafficOptionCase_ = 0;
        trafficOption_ = null;
        onChanged();
      }
      return this;
    }
<pre>
Specifies the traffic density to use when calculating commute time.
</pre>

<code>.google.cloud.talent.v4.CommuteFilter.RoadTraffic road_traffic = 5;</code>

@return This builder for chaining.
java-talent/proto-google-cloud-talent-v4/src/main/java/com/google/cloud/talent/v4/CommuteFilter.java