Time-to-Green Traffic Light Countdown
Comes Hits DC
March 15, 2018
More than 600 intersections in the
District of Columbia now support the “time-to-green” feature of Traffic
“This initiative represents the kind
of innovation that is critical for us to advance the traffic safety
goals of Vision Zero,” said Mayor Bowser. “We look forward to building
on this, and similar partnerships, as we continue to build a safer,
stronger, and smarter D.C.”
In 2016, Traffic Light Information was launched in Las Vegas, Nevada.
Audi, in collaboration with Traffic Technology Services (TTS), has
brought the service to six other cities including areas of Dallas and
Houston, Palo Alto and Arcadia, California, Portland, Oregon and Denver.
With the addition of Washington, more than 1,600 intersections across
the U.S. support Traffic Light Information.
“Audi continues to be an industry leader in connectivity and mobility
solutions,” said Scott Keogh, president, Audi of America. “Not only do
V2I technologies like Traffic Light Information help to reduce driver
stress, they are also essential infrastructure developments as we
continue toward an automated future.”
Light Information, an Audi connect PRIME feature available on select
2017 and 2018 models, enables the car to communicate with the
infrastructure in certain cities and metropolitan areas across the U.S.
When one of these select Audi models approaches a connected traffic
light, it receives real-time signal information from the traffic
management system that monitors traffic lights via the on-board 4G LTE
data connection. When the light is red, the TLI feature will display the
time remaining until the signal changes to green in the instrument
cluster in front of the driver or in the head-up display (if equipped).
This “time-to-green” information helps reduce stress by letting the
driver know approximately how much time remains before the light
Future iterations of V2I technology could include integration within the
vehicle’s start/stop function, Green Light Optimized Speed Advisory (GLOSA),
optimized navigation routing and other predictive services. All of these
services are designed to help reduce congestion and enhance mobility on