Out - smart traffic
with GoGreen.

GoGreen is the next generation traffic light control algorithm. GoGreen upgrades an existing traffic light controller, no need for new hardware, only updated software.

Frequent Updates

עדכון ראשון בבוקר

בוקר טוב,יום ראשון בבוקר, אחד הצמתים העמוסים בארץ, זורם. אין פקקים. פלא!נשארו עוד יומיים לניסוי המפוקח והמדוד בצומת טייסים, ועד כה יש תגובות טובות מהבקרה

קראו עוד

הפעלת האלגוריתם בצומת הטייסים

חברים,זו הודעה בתפוצה.היום ב 22:00 בתקווה יופעל האלגוריתם GoGreen בצומת הטייסים.ההפעלה בליווי ניידות משטרה לפי היתר של משרד התחבורה.ההפעלה במסגרת הניסוי שעושים בנת״י לרמזורים חכמים.הניסוי

קראו עוד

Who Are We

The GoGreen algorithm was invented by Ofer Hofman in 2008.
Ofer Hofman is an Electrical Engineer and inventor that graduated from the Technion institute of technology in Haifa Israel. Ofer Hofman is the owner of Sital Technology, and Sital Technology USA, both specialize in hardware serial communication engines. These engines benefit from many of O. Hofmans patents and technology which was developed over 25 years. Sital Technology products are installed in several NASA satellites orbiting the moon and earth, as well as on board thousands of aircrafts, trains, vehicles, boats, nuclear plants and submarines around the world. Sital’s communication engines are rewarded for serving best when the mission challenges most.
O. Hofman teamed with Ariel Wimazor from the YSB group to launch and promote GoGreen to customers in Israel and around the world with the ambition to make driving faster and safer.
0 %
Wait Time Decreased
GoGreen balances traffic load from all directions all day, such that everyone experiences the same delay.
Minimum Seconds Updated
The timing plan is changed by upto 4 seconds every cycle, Based on the computed load.
Daily Updates
GoGreen constantly measures the traffic load from all directions using the existing sensors – 24\7.

Before & After GoGreen

Traffic Lights Generations

  • 1st Generation
  • 2nd Generation
  • 3rd Generation

First Generation Traffic Light

A traffic light junction with a fixed timing plan with no sensors. Various plans for different periods of the day. Doesn’t “see” nor “feel” traffic.
Cavity: “Why issue a green phase for a direction with no vehicles waiting?” The traffic light does not “see” the traffic.


Second Generation Traffic Light

Added “demand” sensor – if no cars demand for green, skip to next phase. Added “extend” sensor – If there was demand, but no more, shorten the green phase, i.e. don’t extend it to it’s maximum.
Cavity: During rush hours, there is typically both “demand” and “extend” for all directions, thus 2G operates like 1G, thus sensors don’t really help a lot at rush hours.


Third Generation Traffic Light

Adjust the time plan based on traffic load to remove jams.
Traditional 3G systems work on chains & grids of junctions, try to extract and understand the directions of traffic and jams in a central “big brother” computer, and remotely change the timing plans for each individual junction controller. GoGreen works on each controller autonomously to achieve pure 3G load balancing.


How It Works

GoGreen works like a human would, it constantly “sees” the demand from all directions, and based on what it sees, it writes a new time plan for next cycle with the aim to better balance the loads. GoGreen improves that plan every cycle, all day long. GoGreen uses only safe and qualified (existing) sensors to sense traffic thus greatly reduce the bureaucratic hurdles when upgrading to adaptive traffic lights.


The following information provides a theoretical comparison between the existing LADOT system with the theoretical GoGreen algorithm for the city of Los Angeles.
If you are an authority that would like to upgrade your traffic light system to 3G consider the following differences.

GoGreen – On the existing street side controller.

LADOT – In a centralized added computer.

GoGreen – $0 to $1500 for adding sensors if not exist.

LADOT – $140,000 on average.

GoGreen – $150 per month. GoGreen can be stopped and revert to existing algorithm. No Hardware for maintenance.

LADOT – Running cost of LADOT such as communication, main computer, maintenance, manpower, divided by number of traffic lights.

GoGreen – All day long, every cycle compute an optimal timing plan to balance load from all directions.

LADOT – mainly at rush hours. After a traffic jam has been detected.

GoGreen – No, fully automated software algorithm timeplan generation 24/7.

LADOT – In special events and if time plans require updates.

GoGreen – GoGreen – more than 20% on average.

LADOT – 15% to 17% on average.

GoGreen – No. 3 months bring up require video and connection to street side controller.

LADOT – Intensive andral time. Very challenging and costly.

GoGreen – 1

LADOT – 10s and better 100s.

GoGreen – No. Uses pre-authorized hardware and software.

LADOT – Yes. Time consuming and costly.

In The Press

TV news coverage and newspapers reports play an important role in promoting 3G traffic lights technology to each and every traffic light. If you suffer from traffic jams, don’t hesitate, call your municipal and demand a solution!

What are the steps to engage with GoGreen?

In order to add GoGreen to an existing traffic light controller, please supply the existing traffic light plan including:

  1. A physical diagram to the traffic light with sensors locations and numbers.
  2. A diagram of the various pictures of the junction.
  3. A data flow of the existing algorithm that manages these pictures based on sensors detections.

We provide:

  1. A diagram for adding sensors if needed.
  2. The added data flow that needs to be coded into the traffic light controller.

After GoGreen is added to controller, send us a Windows based simulator with which we can test various scenarios and verify proper implementation.