Documentation
Complete guide to implementing and working with the General Traffic Signal Specification (GTSS).
signals.txt
signals.txt provides basic location and street name information and assigns a unique signal ID for identification within GTSS. Parameters are listed below.
signal_id
signal_id is a unique agency specific identifier for each traffic signal. It is used to reference the signal in other GTSS files.
agency_id
agency_id is a self-assigned unique identifier that distinctly identifies each agency. It is referenced in other GTSS files to associate signals and data with the corresponding agency.
street_name1
street_name1 is the name of the street for the first direction of the intersection. It is used to identify the primary approach to the signal.
street_name2
street_name2 is the name of the street for the second direction of the intersection. It is used to identify the secondary approach to the signal.
latitude
latitude is the geographic latitude of the center of the intersection, formatted as a decimal degree value.
longitude
longitude is the geographic longitude of the center of the intersection, formatted as a decimal degree value.
Example
signal_id,agency_id,street_name1,street_name2,latitude,longitude
1,1,Main St,Second St,40.712776,-74.005974