La Salle County Highway 14 is a east-west highway in Central La Salle County. This two-lane road connects traffic from the village of Lowell to Tonica and Interstate 39. LSCH 14 passes through towns in La Salle County. Lowell Tonica LSCH 14 intersects the following local roads in La Salle County. Illinois State Route 178 at Lowell. La Salle County Highway 44 at Lowell. Illinois State Route 251 at Tonica. La Salle County Highway 54 at Tonica.