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What exactly is signal retiming?
Signal Retiming is the art and science of synchronizing traffic lights so all transportation—cars, people, bikes, scooters—moves as smoothly and safely as possible.
How many signals are being retimed?
1,100. Baltimore has a lot of traffic signals. Therefore, the retiming project is a big job.
What is the difference between a Traffic Light and a Traffic Signal?
Nothing! The terms are interchangeable.
Are you retiming Pedestrian Signals too?
Yes! The term "Traffic Signal" encompasses all signals in the city.
How long will the retiming take?
3 years. But we've already begun! We began in April of 2023, and some areas are already completed. The whole project will be done in 2026.
What areas are being worked on?
The entire city!
🔵 South: Oct 2023–Mar 2024
🟡 Central: Mar 2024–Sep 2024
🟠 East: Sep 2024–Feb 2025
🔴 North: Mar 2025–Jul 2025
🟢 West: Aug 2025–Feb 2026
🟣 Northwest: Oct 2025–Feb 2026
Why does retiming need to be done?
Baltimore is always growing, and traffic patterns change!
As the city grows, we add 2–5 signals a year.
We are ensuring traffic lights meet Complete Streets standards, which introduced new bus lanes, mobility lanes, and pedestrian safety considerations.
What are the goals with the retiming?
🚶🏽Pedestrian Safety
🏎️ Reduce Speeding
🚙 Reduce Delays
🎛️ Improve Connectivity
📡 Maintain Synchronization
🔧 Maintenance & Upgrades
What does it take to retime a traffic signal?
The process includes:
📊 Data Collection Phase: determining existing timings, measuring traffic volumes, assessing roadway characteristics, and conducting field observations
📈 Analysis Phase: using traffic software to create models of the traffic conditions and determine how changes can benefit operations
🚦 Implementation Phase: programming the signal controllers with the new timing
🎚️ Post Implementation: ongoing monitoring and adjustments as needed
What exactly is signal retiming?
Signal Retiming is the art and science of synchronizing traffic lights so all transportation—cars, people, bikes, scooters—moves as smoothly and safely as possible.
How many signals are being retimed?
1,100. Baltimore has a lot of traffic signals. Therefore, the retiming project is a big job.
What is the difference between a Traffic Light and a Traffic Signal?
Nothing! The terms are interchangeable.
Are you retiming Pedestrian Signals too?
Yes! The term "Traffic Signal" encompasses all signals in the city.
How long will the retiming take?
3 years. But we've already begun! We began in April of 2023, and some areas are already completed. The whole project will be done in 2026.
What areas are being worked on?
The entire city!
🔵 South: Oct 2023–Mar 2024
🟡 Central: Mar 2024–Sep 2024
🟠 East: Sep 2024–Feb 2025
🔴 North: Mar 2025–Jul 2025
🟢 West: Aug 2025–Feb 2026
🟣 Northwest: Oct 2025–Feb 2026
Why does retiming need to be done?
Baltimore is always growing, and traffic patterns change!
As the city grows, we add 2–5 signals a year.
We are ensuring traffic lights meet Complete Streets standards, which introduced new bus lanes, mobility lanes, and pedestrian safety considerations.
What are the goals with the retiming?
🚶🏽Pedestrian Safety
🏎️ Reduce Speeding
🚙 Reduce Delays
🎛️ Improve Connectivity
📡 Maintain Synchronization
🔧 Maintenance & Upgrades
What does it take to retime a traffic signal?
The process includes:
📊 Data Collection Phase: determining existing timings, measuring traffic volumes, assessing roadway characteristics, and conducting field observations
📈 Analysis Phase: using traffic software to create models of the traffic conditions and determine how changes can benefit operations
🚦 Implementation Phase: programming the signal controllers with the new timing
🎚️ Post Implementation: ongoing monitoring and adjustments as needed
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