Maryland Route 342
| St. Augustine Road | ||||
Maryland Route 342 highlighted in red  | ||||
| Route information | ||||
| Maintained by MDSHA | ||||
| Length | 2.82 mi (4.54 km) | |||
| Existed | 1941–present | |||
| Major junctions | ||||
| South end | MD 310 at St. Augustine | |||
| North end | MD 537 in Chesapeake City | |||
| Location | ||||
| Country | United States | |||
| State | Maryland | |||
| Counties | Cecil | |||
| Highway system | ||||
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Maryland Route 342 (MD 342) is a state highway in the U.S. state of Maryland. Known as St. Augustine Road, the highway runs 2.82 miles (4.54 km) from MD 310 at St. Augustine north to unsigned MD 537 in Chesapeake City in southern Cecil County. MD 342 was constructed in its entirety by 1915.