The state highway crosses Broadway Branch before rejoining the rail line immediately before the intersection with River Bridge Road, where the highway enters the town of Henderson. After leaving Henderson, MD 311 veers away from the rail line and crosses Cold Spring Branch. The state highway passes through a mix of farms and forests as it approaches the town of Marydel.
The state highway traverses Broadway Branch before rejoining the rail line just before the intersection with River Bridge Road, where it enters the town of Henderson. After leaving Henderson, MD 311 deviates from the rail line and crosses Cold Spring Branch. The state highway travels through a mix of farms and forests as it approaches the town of Marydel.