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accident_variables.txt
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accident_variables.txt
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Variable Description
ID This is a unique identifier of the accident record.
Source Indicates source of the accident report (i.e. the API which reported the accident.).
TMCA traffic accident may have a Traffic Message Channel (TMC) code which provides more detailed description of the event.
Severity Shows the severity of the accident, a number between 1 and 4, where 1 indicates the least impact on traffic (i.e., short delay as a result of the accident) and 4 indicates a significant impact on traffic (i.e., long delay).
Start_Time Shows start time of the accident in local time zone.
End_Time Shows end time of the accident in local time zone.
Start_Lat Shows latitude in GPS coordinate of the start point.
Start_Lng Shows longitude in GPS coordinate of the start point.
End_Lat Shows latitude in GPS coordinate of the end point.
End_Lng Shows longitude in GPS coordinate of the end point.
Distance(mi) The length of the road extent affected by the accident.
Description Shows natural language description of the accident.
Number Shows the street number in address field.
Street Shows the street name in address field.
Side Shows the relative side of the street (Right/Left) in address field.
City Shows the city in address field.
County Shows the county in address field.
State Shows the state in address field.
Zipcode Shows the zipcode in address field.
Country Shows the country in address field.
Timezone Shows timezone based on the location of the accident (eastern, central, etc.).
Airport_Code Denotes an airport-based weather station which is the closest one to location of the accident.
Weather_Timestamp Shows the time-stamp of weather observation record (in local time).
Temperature(F) Shows the temperature (in Fahrenheit).
Wind_Chill(F) Shows the wind chill (in Fahrenheit).
Humidity(%) Shows the humidity (in percentage).
Pressure(in) Shows the air pressure (in inches).
Visibility(mi) Shows visibility (in miles).
Wind_Direction Shows wind direction.
Wind_Speed(mph) Shows wind speed (in miles per hour).
Precipitation(in) Shows precipitation amount in inches, if there is any.
Weather_Condition Shows the weather condition (rain, snow, thunderstorm, fog, etc.).
Amenity A Point-Of-Interest (POI) annotation which indicates presence of amenity in a nearby location.
Bump A POI annotation which indicates presence of speed bump or hump in a nearby location.
Crossing A POI annotation which indicates presence of crossing in a nearby location.
Give_Way A POI annotation which indicates presence of give_way sign in a nearby location.
Junction A POI annotation which indicates presence of junction in a nearby location.
No_Exit A POI annotation which indicates presence of no_exit sign in a nearby location.
Railway A POI annotation which indicates presence of railway in a nearby location.
Roundabout A POI annotation which indicates presence of roundabout in a nearby location.
Station A POI annotation which indicates presence of station (bus, train, etc.) in a nearby location.
Stop A POI annotation which indicates presence of stop sign in a nearby location.
Traffic_Calming A POI annotation which indicates presence of traffic_calming means in a nearby location.
Traffic_Signal A POI annotation which indicates presence of traffic_signal in a nearby location.
Turning_Loop A POI annotation which indicates presence of turning_loop in a nearby location.
Sunrise_Sunset Shows the period of day (i.e. day or night) based on sunrise/sunset.
Civil_Twilight Shows the period of day (i.e. day or night) based on civil twilight.
Nautical_Twilight Shows the period of day (i.e. day or night) based on nautical twilight.
Astronomical_Twilight Shows the period of day (i.e. day or night) based on astronomical twilight.