|     SAE J2735-Draft-Rev28 [issued: 11-10-08]   -  45 -  This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.              </xs:simpleType>           </xs:element>           <!-- is not needed -->           <xs:element name="dataFrames" >              <xs:complexType>                 <xs:sequence minOccurs="1" maxOccurs="8">                    <xs:element name="dataFrame" >                       <xs:complexType>                          <xs:sequence>                             <!-- Part I,  Frame header -->                             <xs:element name="frameType" type="TravelerInfoType" />                             <!-- (enum,  advisory or road sign) -->                             <xs:element name="msgId" >                                <xs:complexType>                                   <xs:choice>                                      <xs:element name="advisoryNumber"  type="ATISAdvisoryNumber" />                                      <!-- 2 bytes?                                      perhaps issurs and number?                                      links to ATIS msgs -->                                      <xs:element name="roadSignID" type="RoadSignID" />                                      <!-- to be defined as a DF -->                                   </xs:choice>                                </xs:complexType>                             </xs:element>                             <xs:element name="startYear" type="DYear"  minOccurs="0"/>                             <!-- Current year used if missing -->                             <xs:element name="startTime" type="MinuteOfTheYear" />                             <xs:element name="duratonTime" type="MinutesDuration" />                             <xs:element name="priority" type="SignPrority" />                             <!-- Part II,  Appliciable Regions of Use -->                             <xs:element name="regions" >                                <xs:complexType>                                   <xs:sequence minOccurs="1" maxOccurs="8">                                      <xs:element name="region" type="ValidRegion" />                                   </xs:sequence>                                </xs:complexType>                             </xs:element>                             <!-- Part III,  Content -->                             <xs:choice >                                <xs:element name="advisory" type="itis:ITIScodesAndText"  />                                <!-- typical ITIS warnings -->                                <xs:element name="workZone" type="WorkZone" />                                <!-- work zone signs and directions -->                                <xs:element name="genericSign" type="GenericSignage" />                                <!-- MUTCD signs and directions -->                                <xs:element name="speedLimit" type="SpeedLimit" />                                <!-- speed limits and cautions -->                                <xs:element name="exitService" type="ExitService" />                                <!-- roadside avaiable services                                other types may be added in future revisions -->                             </xs:choice>                             <!-- May link to image or other content -->                          </xs:sequence>                       </xs:complexType>                    </xs:element>                 </xs:sequence>              </xs:complexType>           </xs:element>           <xs:element name="crc" type="MsgCRC" />           <xs:element name="localTravelerInformation" type="local:TravelerInformation"  minOccurs="0"/>        </xs:sequence>  </xs:complexType>   In addition, this item may be used by data structures in other ITS standards.  |