News Flash


Posted on: October 11, 2021

Traffic Signal Information

A new traffic signal at the intersection of Church Street & 15th Street is expected to be fully constructed and operational in the coming weeks. In addition to the traffic signal, the completed project includes new curb ramps, signalized crosswalks, concrete sidewalks, intersection resurfacing, and striping. The project also adds new intersection lighting.

When the signal is first powered on, the signal will operate in a red-flashing state for multiple days.

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A flashing red light and flashing red arrow has the same meaning as a STOP sign. You must come to a complete stop. Then, look both ways, and proceed only after the intersection is clear

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A flashing yellow light means CAUTION. Slow down, look and proceed with care.

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A Flashing yellow arrow means you may turn in the direction of the arrow with caution; however, you must first yield to oncoming traffic and pedestrians.


Once the traffic signal is turned on for full operation, the left turn signals will operate with a Flashing Yellow Arrow for turning movements. The left arrow provides a more direct message to the driver and reduces confusion since the left-turn display is no longer the same symbol as the adjacent through lanes. It also prevents a driver turning left on a green circle from inadvertently implying that the left turn has the right-of-way over the opposing traffic.

A national study conducted for the Federal Highway Administration demonstrated that this new signal indication:

  • Helps to prevent crashes. The study concluded that drivers found the new flashing yellow arrows easier to understand than the traditional yield-on-green indications.
  • Increases the amount of traffic that moves through an intersection. There are more opportunities to make a left turn with the flashing yellow arrow than the fully protected left turn indication with only a green arrow.
  • Provides more flexibility. The new signal provides more options for traffic engineers to handle variable traffic volumes and patterns.

Frequently Asked Questions

What is the purpose of a traffic signal?

Traffic signals are electronically operated traffic control devices which alternately direct traffic to stop and to proceed. Traffic signals are designed to ensure an orderly flow of traffic, provide an opportunity for pedestrians or vehicles to cross an intersection and help to reduce the number of conflicts between vehicles entering intersections from different directions.


How do traffic signals work?

Traffic responsive controllers change the lights according to the amount of traffic in each direction. These controllers use sensors to detect vehicles and automatically adjust the length of the green time to allow as many vehicles as possible through the intersection before responding to the presence of vehicles on another approach. Although these types of traffic controllers have been in use for many years, a new generation of microcomputer traffic controllers makes the signalized intersection much more efficient, thereby reducing time-consuming delays.

What should a motorist do when approaching a traffic signal with a flashing yellow arrow?

  • Yield to oncoming traffic and pedestrians.
  • When it is safe, proceed with caution through the intersection.
  • After it stops flashing and becomes a solid yellow arrow, prepare to stop or complete the left turn if you are within the intersection and there is no conflicting traffic.

Are there red-light running cameras?

No, the intersection will be installed with vehicle detection using radar technology. This technology is only used to determine if a vehicle is present or not for signal operation. No video cameras will be installed.


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