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Signal Mountain Today
By the People, for the People
Geotechnical Work Prompts Lane Closure in Signal Mountain
Five-day project will reduce SR 8 to one lane each day
Published on Mar. 8, 2026
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The Tennessee Department of Transportation will be performing subsurface investigations, including boring location checks, utility scanning, and general site assessment on SR 8 (Signal Mountain Road) between Palisades Road and the top of the mountain in preparation for an upcoming slope stabilization project. To safely complete this work, the roadway will be reduced to one lane each day with flaggers directing traffic between 9:00 a.m. and 3:00 p.m., with lanes reopening by 4:00 p.m. each day.
Why it matters
This geotechnical work is a necessary precursor to a larger slope stabilization project on Signal Mountain Road, a critical transportation artery connecting the town of Signal Mountain to Chattanooga. The lane closures and traffic delays will impact commuters and residents who rely on this route.
The details
TDOT contract crews will be performing subsurface investigations, including boring location checks, utility scanning, and general site assessment, in preparation for an upcoming slope stabilization project. Traffic will be reduced to one lane each day with flaggers directing vehicles, and the work will take place between 9:00 a.m. and 3:00 p.m. to avoid peak travel times.
- The work will begin on Monday, March 9, 2026 and continue for five days.
- Lanes will reopen by 4:00 p.m. each day.
The players
Tennessee Department of Transportation
The state agency responsible for maintaining and improving Tennessee's transportation infrastructure.
What’s next
Once the geotechnical work is complete, TDOT will move forward with the slope stabilization project on Signal Mountain Road.
The takeaway
This lane closure on a critical transportation route highlights the importance of proactive infrastructure maintenance and the need for drivers to plan ahead, expect delays, and use caution when traveling through work zones.
