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City staff say emergency traffic‑signal repairs fixed camera system at Signal Mountain Road and Dayton Boulevard; expense to be ratified
Summary
Public‑works staff described a recent repair that restored a camera‑based traffic controller at the Signal Mountain Road–Dayton Boulevard intersection; the work cost roughly $22,000 and was performed after warranty had just expired; staff plan training and routine inspection to avoid future surprises.
Director Tate explained that staff discovered the camera system controlling the new traffic signal at the intersection of Signal Mountain Road and Dayton Boulevard was not broadcasting. Under a required State Route 8 project, the city had installed a new traffic cabinet and contractor crews discovered the camera controller had failed; the contractor replaced the controller and then the camera itself when technicians found it was also out.
Tate said the repairs were performed through an interlocal agreement leveraging Chattanooga’s contract with the vendor NAPCO; because the expense was under $10,000 for some purchase orders it had not been brought to the commission prior to the work. Tate reported the full corrective work cost about $22,000 and asked the commission to ratify that emergency traffic‑signal repair (Resolution 25-1840).
Tate told commissioners the warranty on the original installation had expired just a few months earlier — the project completed in May 2024 with a one‑year warranty that ended in May 2025 — so the city was just outside the warranty period when the failure occurred. He said the repaired camera returned adaptive signal timing to the intersection, improving flow; “When the system went out, the conflict monitor automatically defaulted to timing,” he said, so restoration of the camera allowed the signal to vary timings by traffic demand.
To reduce future service gaps, Tate said he will send two employees, Justin Hedrick and Kayla Barnett, to a three‑day equipment training course offered by the manufacturer in January to support routine inspections and in‑house troubleshooting. The request to ratify the repair expense was presented in the work session; no formal ratification vote was recorded there.
