{
 "Name": "Get related attributes of a given Route event",
 "Description": "Get related segment attributes of a given Route event on \"DC Advanced Lenear Referencing System (ALRS) Route.\"",
 "Usage": "The \"getSegmentAttributes\" operation returns all related attributes on a given Route event for DC Roadways. It accepts Route ID and fromMeasure and toMeasure in (METERS).",
 "Input Parameters Description": {
  "routeId     ": "     Route Id. cannot be blank.",
  "fromMeasure ": " Starting measure on the route in meteres",
  "toMeasure   ": "           Ending measure on the route in meteres"
 },
 "Return Value Description": {
  "subBlocks": {
   "routeId": "Route Id of the sub-block",
   "fromMeasure": "Start measure of the sub-block (METERS)",
   "toMeasure": "End measure of the sub-block (METERS)",
   "routeName": "Name of the selected route",
   "routeType": "Type of the selected route",
   "fromSubBlock": "From sub-block intersection",
   "toSubBlock": "To sub-block intersection",
   "subBlockId": "Sub Block Id",
   "subBlockKey": "Unique sub-block key",
   "fromIntersectionId": "From sub-block intersection id",
   "toIntersectionId": "To sub-block intersection id",
   "fromIntersectionKey": "From sub-block unique intersection key",
   "toIntersectionKey": "To sub-block ubique intersection key",
   "directionality": "Traffic directionality of the sub-block",
   "blockId": "Corresponding block id, if it has a block",
   "blockKey": "Unique block key, if it has a block"
  },
  "blocks": {
   "routeId": "Route Id of the block",
   "fromMeasure": "Start measure of the block (METERS)",
   "toMeasure": "End measure of the block (METERS)",
   "routeName": "Name of the selected route",
   "fromStreet": "From block intersection name",
   "toStreet": "To block intersection name",
   "blockId": "Block Id",
   "blockKey": "Unique block key",
   "fromIntersectionId": "From block intersection id",
   "toIntersectionId": "To block intersection id",
   "fromIntersectionKey": "Unique from block intersection key",
   "toIntersectionKey": "Unique to block intersection key",
   "directionality": "Traffic directionality of the block",
   "unitBlock": "Unit block"
  },
  "blockFaces": {
   "blockFaceKey": "Unique block face key",
   "routeId": "Route Id of the block face",
   "fromMeasure": "Start measure of the block face (METERS)",
   "toMeasure": "End measure of the block face (METERS)",
   "offset": "Offset the block face from the route (METERS)",
   "side": "Side of the block face"
  }
 }
}