Here are the classes, structs, unions and interfaces with brief descriptions:
| Alert | A Highway Alert |
| BorderCrossingData | |
| BorderCrossings | Coverage Area: I-5, SR-543, SR-539, and SR-9 crossings. Provides current wait times for the various border crossings into Canada |
| Camera | |
| CVRestrictionData | Represents a Commercial Vehicle Restriction |
| CVRestrictions | Coverage Area: Statewide. Provides list of restrictions for commercial vehicles |
| FlowData | A data structure that represents a Flow Station |
| HighwayAlerts | Coverage Area: Statewide. Provides access to all of the active incidents currently logged in our ROADS system |
| HighwayCameras | Coverage Area: Statewide. Provides access to the camera images that appear on our Traffic pages. Currently only supports snap shots (not full video) |
| IBorderCrossings | |
| ICVRestrictions | |
| IHighwayAlerts | |
| IHighwayCameras | |
| IMountainPassConditions | |
| ITrafficFlow | |
| ITravelTimes | |
| MountainPassConditions | Coverage Area: 15 passes (see http://www.wsdot.wa.gov/traffic/passes/). Provides real-time data on pass conditions. The data is provided by the Mountain Pass Entry system |
| PassCondition | A data structure that represents the conditions of the mountain pass |
| RoadwayLocation | Describes a specific location on a WA State Highway |
| TrafficFlow | Coverage Area: Vancouver, Olympia, Tacoma, Seattle, Spokane. Data is provided by regional Traffic Management Centers. Provides real-time data on our Traffic Flow sensor for the entire state. Possible conditions include ‘Unknown’, ‘WideOpen’, ‘Moderate’, ‘Heavy’, ‘StopAndGo’, ‘NoData’. In most cases, this data will be updated every 90 seconds |
| TravelRestriction | A travel restriction for moutain passes |
| TravelTimeRoute | Data structure that represents a travel time route |
| TravelTimes | Coverage Area: Seattle, Tacoma, Snoqualmie Pass. Provides travel times for many popular travel routes around Washington State |