High Quality Content by WIKIPEDIA articles! New York State Route 394 (NY 394) is a state highway located within Cattaraugus and Chautauqua Counties in southwestern New York, United States. Its western terminus is located on the shore of Lake Erie at an intersection with NY 5 in the Westfield hamlet of Barcelona. The eastern terminus is located at an interchange with the Southern Tier Expressway (Interstate 86 or I-86 and NY 17) at the Coldspring hamlet of Steamburg. From Mayville to Jamestown, NY 394 follows the western edge of Chautauqua Lake. East of Jamestown, the route straddles the Southern Tier Expressway and connects to the highway in four different locations, including at its eastern terminus.