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New Lebanon Road and 4th Army Drive signal begins flashing phase

A new traffic signal at the Lebanon Road and 4th Army Drive intersection is entering a flashing mode phase before becoming fully operational on September 10.

Aiden Calloway

September 8, 20261 min read

Civic Infrastructure Transition - illustration, Jake Team LLC

A new traffic signal at the intersection of Lebanon Road and 4th Army Drive is being activated in flashing mode on September 8, 2026. This initial phase is designed to help drivers adjust to the new traffic control patterns before the signal becomes fully operational.

During the flashing mode period, traffic rules at the intersection will differ from standard signal operations. Drivers traveling on Lebanon Road will encounter a flashing yellow light and are not required to stop. In contrast, traffic on 4th Army Drive will face a flashing red light. Vehicles on this road must continue to stop at the existing stop signs.

The city announced that the stop signs will be removed and the traffic signal will transition to full operation on Thursday, September 10. Once fully operational, the signal will function with standard red, yellow, and green indications for all directions of travel.

Officials are urging drivers to use caution at this intersection during the transition period. As people become accustomed to the new traffic control patterns, extra attention is needed to ensure safety for all road users. The change in traffic control is part of an effort to manage traffic flow at this specific location.

Residents should be aware of the temporary rules in effect starting September 8. The flashing yellow light for Lebanon Road traffic and the flashing red light for 4th Army Drive traffic will remain in place until the full signal activation on September 10. After that date, the stop signs will no longer be present, and drivers must follow the standard traffic signal indications.

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Aiden Calloway

Aiden Calloway reports on transportation, road projects, and infrastructure across Frisco.

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