Maryland 313 is about 75 miles long and runs from Mardela Springs in Wicomico County through Dorchester, Caroline, Queen Anne’s and ends at the Town of Galena in Kent County.
In the State of Maryland only Md Route 2, which runs from Solomons Island to Baltimore City at 79.24 miles is longer.
It is the major road of Caroline County running through three of it’s most populated towns including the County Seat of Denton.
There are a few points along its path that it combines with other routes, One of those is near Denton where MD 404, MD 16 and MD 313 are the same road.
At the town of Galena it meets at the major intersection and red light of the town. Two other MD routes meet at this location, those are MD 213 and MD 290.
In fact when you past through the light in Galena MD 313 ends and MD 213 begins. MD 213 reaches the light on MD 313’s left and makes a left turn towards Elkton in reality replacing MD 313.