Maryland Route 40

Maryland Route 40 (MD 40), also known as the Frederick Road or Baltimore National Pike, is a significant east-west highway in Maryland. It connects the city of Baltimore to areas westward, passing through suburban and rural communities. Serving as a key route for local and regional traffic, MD 40 facilitates access to commercial centers, residential neighborhoods, and important highways like Interstate 70 and U.S. Route 15. It maintains historical importance as part of early road networks and continues to be vital for daily commutes, commerce, and regional connectivity within Maryland.