GET Road Conditions

Returns current road conditions.

Request Information

https://511.alaska.gov/api/v2/get/winterroads

URI Parameters

NameDescriptionTypeAdditional information
key

Developer Key

string

Required

format

Valid values are 'xml' or 'json', default 'json'.

string

Optional

Response Information

Resource Description


NameDescriptionType
Id

A unique identifier.

integer
LocationDescription

A description of the location that is affected. Often described as from one road to another.

string
Overall Status

Represents the primary status of the winter road condition.

string
Surface Conditions

Winter road surface condition. For example - black ice, dry surface, ice, snow on roadway etc.

string
Atmospheric Conditions

Atmosphere conditions. For example - cloudy, fog, heavy rain etc.

string
Warnings

Warnings. For example - Impassable, possible road closure, ice on bridges etc.

string
Snow (inches) Min

Snow (inches) Min

string
Temperature (F) Min

Temperature (F) Min

string
Wind Type

Wind type. For example - calm, moderate and high.

string
Wind Direction

The direction from which the wind is blowing.

string
Wind Speed (MPH) Min

Wind Speed (MPH) Min

string
Snow (inches) Max

Snow (inches) Max

string
Temperature (F) Max

Temperature (F) Max

string
Wind Speed (MPH) Max

Wind Speed (MPH) Max

string
AreaName

Area name.

string
RoadwayName

The roadway which this condition affects.

string
EncodedPolyline

A single string storing a series of coordinates. More information

string
LastUpdated

The date the condition's details were last updated in Unix time. More information

integer
Comments

Condition comments.

string

Response Formats

JSON

Sample:
[
	{
		"Id": 9,
		"LocationDescription": "from Rabbit Creek - Seward NB Ramp to Tudor-Seward NB On Ramp",
		"Overall Status": "Hazardous",
		"Surface Conditions": [
			"Dry surface",
			"Ice"
		],
		"Atmospheric Conditions": [
			"Cloudy"
		],
		"Warnings": [
			"Be prepared for winter driving"
		],
		"Snow (inches) Min": "1",
		"Temperature (F) Min": "-5",
		"Wind Type": "Calm",
		"Wind Direction": "East",
		"Wind Speed (MPH) Min": "2",
		"Snow (inches) Max": "3",
		"Temperature (F) Max": "5",
		"Wind Speed (MPH) Max": "5",
		"AreaName": "Local Southeast",
		"RoadwayName": "Seward Hwy",
		"EncodedPolyline": "ivysJdhoq[MHMHKHMHMHMHKHMHMHMHKHMHMFMHMFMFMFMFKFMFMDMFMDMDMDODMBMDMBMDMBMBMBMBOBMBM@MBM@MBO@M@M?M@M@M?",
		"LastUpdated": 1579196991,
		"Comments": "Local Southeast - Seward Hwy - from Rabbit Creek - Seward NB Ramp to Tudor-Seward NB On Ramp"
	}
]

XML

Sample:
<WinterRoadsList>
    <WinterRoads>
        <Id>9</Id>
        <LocationDescription>
from Rabbit Creek - Seward NB Ramp to Tudor-Seward NB On Ramp
</LocationDescription>
        <Overall-Status>Hazardous</Overall-Status>
        <Surface-Conditions>Dry surface Ice</Surface-Conditions>
        <Atmospheric-Conditions>Cloudy</Atmospheric-Conditions>
        <Warnings>Be prepared for winter driving</Warnings>
        <Snow-inches-Min>1</Snow-inches-Min>
        <Temperature-F-Min>-5</Temperature-F-Min>
        <Wind-Type>Calm</Wind-Type>
        <Wind-Direction>East</Wind-Direction>
        <Wind-Speed-MPH-Min>2</Wind-Speed-MPH-Min>
        <Snow-inches-Max>3</Snow-inches-Max>
        <Temperature-F-Max>5</Temperature-F-Max>
        <Wind-Speed-MPH-Max>5</Wind-Speed-MPH-Max>
        <AreaName>Local Southeast</AreaName>
        <RoadwayName>Seward Hwy</RoadwayName>
        <EncodedPolyline>ivysJdhoq[MHMHKHMHMHMHKHMHMHMHKHMHMFMHMFMFMFMFKFMFMDMFMDMDMDODMBMDMBMDMBMBMBMBOBMBM@MBM@MBO@M@M?M@M@M?</EncodedPolyline>
        <LastUpdated>1579196991</LastUpdated>
        <Comments>
Local Southeast - Seward Hwy - from Rabbit Creek - Seward NB Ramp to Tudor-Seward NB On Ramp
</Comments>
    </WinterRoads>
</WinterRoadsList>