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MD 16(E-W)/MD 331(N-S) Duplex
Maryland Routes 16 and 331 join for a lengthy 4.58-mile duplex from Preston to Waddells Corner in Caroline and Dorchester Counties.
Northbound on MD 16/MD 331, one of the longer of Maryland's few signed state route duplexes. This is the southern beginning of the duplex.
MD 318 ends at the duplex near Ellwood.
The duplex follows the Underground Railroad Tour (link to .pdf file from the Maryland State Highway Administration), one of many of Maryland's signed Scenic Byways.
Northbound reassurance shields near MD 318. The duplex leaves Dorchester County and enters Caroline County at the bridge.
Minor state route MD 817 begins after the bridge.
A mile to the north, MD 16 splits off to the east, bound for more multiplexes near Denton, MD and in Delaware.
MD 331 continues northwestward to Easton.
· MD Ends
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