Remote yard monitoring in Smyrna, Tennessee

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A supplier town built around the Nissan plant

Smyrna sits on I-24 at Exit 70, where Tennessee State Route 102 becomes Nissan Drive and runs along the eastern side of the Nissan Smyrna Assembly Plant, the town's largest employer with about 8,000 workers on an 884-acre, 6.4-million-square-foot site. In 2017 the plant's capacity of 640,000 cars a year was the highest of any auto assembly plant in North America, and the supplier and parts traffic that volume generates moves along I-24 and SR 102, which loops with SR 266 past Smyrna Airport to form a partial beltway around the town.

Tennessee ranked fourth nationally for cargo theft volume heading into 2026, according to the supply-chain risk firm Overhaul, whose numbers were reported by WKRN. Around Smyrna, trailers sitting unattended have proven an easier target than loaded freight itself: in June 2025 the Rutherford County Sheriff's Office was still looking for a man who hitched a 16-foot trailer to a late-model Toyota RAV4 and drove off with it at night, caught on a single surveillance camera, and in 2018 a black car-hauler trailer was taken from an automotive lot on South Lowry Street after a driver hooked it up and headed north, also caught on video.

Whether a Smyrna yard holds supplier parts, finished vehicles or a contractor's equipment, Sigma keeps a live agent on every camera around the clock, 365 days a year, including weekends and holidays. AI detection catches movement near a trailer or the gate after hours, the agent confirms it on live video and delivers a live, instant talk-down through the speakers, then calls police with recorded evidence if the person remains. Gate Operations checks drivers against your pickup list before the gate opens for scheduled deliveries.

Also covering La Vergne, Murfreesboro, Nolensville, Mount Juliet, Antioch, Walter Hill, Christiana, Rockvale.