Route 342 begins as Main Street in downtown
Lewisporte at an intersection with
Route 341 (Main Street/Premier Drive). The highway passes by Lewisporte's Marina as it heads north along the banks of
Burnt Bay through neighbourhoods before leaving Lewisporte and passing through rural areas for several kilometres. Route 342 now passes through
Embree as it begins following the
Bay of Exploits. The highway continues north to enter
Little Burnt Bay, where Route 342 comes to a dead after passing by that town's harbour. ==Major intersections==