I-40 and SR 109 Interchange in Lebanon — Online Traffic Webcam

Tennessee's Transportation Artery

The intersection of Interstate I-40 and State Route SR 109 is one of the key junctions in Wilson County. This transportation facility connects the western and eastern directions of the region, providing transit traffic flow between major economic centers. For local residents and truckers, this interchange serves as the main route for commuting and accessing the federal highway network. The camera at the Highway 109 and I-40 interchange allows you to assess the congestion of this strategically important section in real time.

Interchange Architecture and Modernization

The engineering solution of this road intersection differs from standard designs. The I-40 and SR 109 interchange in Lebanon is a modified diamond interchange, where eastbound travelers have a direct ramp to the northbound direction of the highway. This design optimizes peak traffic flow by reducing the number of conflict points.

Traffic growth has required significant infrastructure investment. In 2020, the state widened the road, and dual left-turn lanes were built from the northbound direction of SR 109 to the westbound direction of I-40. This relieved left-turn movements that previously caused congestion during peak hours. Additionally, the I-40 expansion project from SR 109 to I-840 included construction of a middle lane and outer lanes as part of a major corridor modernization.

Safety and Capacity Projects

The Tennessee Department of Transportation continues work to improve this area. The Tennessee Department of Transportation (TDOT) recently added a third lane (northbound) on SR 109 from the I-40 interchange to Hickory Ridge Road as a safety project to address congestion. These measures aim to prevent accidents and increase the capacity of the highway, which suffers from a growing number of vehicles.

Impact on Lebanon's Urbanization

The interchange is not only a transportation hub but also a development driver. Convenient highway access has attracted developers. The I-40 and SR 109 interchange has become a catalyst for major residential development in the Lebanon area: more than 3,000 new homes are planned in several large residential communities (StoneBridge, Leeville Pike, and others), increasing the load on infrastructure. The emergence of new neighborhoods inevitably leads to an increase in vehicles on access roads, making road monitoring particularly relevant.

Connection to Key Regional Cities

The geographic location of the junction determines its importance for logistics. The interchange is designated as Exits 232A-B on I-40 and is located approximately one mile south of Lebanon, providing access to Gallatin to the north and Nashville to the west. For those traveling through Tennessee, this exit serves as a gateway to the northern areas of Sumner County and the state capital.

What the Camera Shows

The webcam broadcasts a multi-lane road interchange with several traffic lanes separated by concrete barriers and guardrails. The frame captures the I-40 westbound exit and Highway 109 North. Passenger cars, white trucks, and vans move along the asphalt. The terrain is hilly, with green plantings, trees, and shrubs along the roadsides. The broadcast provides a complete picture of traffic on the access roads and allows you to plan your route based on current lane congestion.