West Virginia State Route 43 is a short north-south highway in Northeastern Monongalia County. It is part of the Mon-Fayette Expressway. This highway connects Interstate 68, near Morgantown to Interstate 376, near Pittsburgh. The portion of the highway in West Virginia runs aprox. four (4) miles. WV St Rt 43 doe not pass through any towns in Monongalia County. WV St Rt 43 is not multi-plexed in Monongalia County. WV St Rt 43 intersects the following highway in Monongalia County. Interstate 68, near Dellslow.