The 1,300-mile (2,100 km) long King’s Highway was built from to 1650 to 1735 and connected Charleston, South Carolina to Boston, Massachusetts. It played a critical role in the ultimate independence of the United States from England even though it was ordered to be built by Charles II of England.
In 1735, it was basically a trail. By 1750 the entire road was in place. Wagons and stagecoaches used it, but it was difficult going with few bridges and many river crossings. Sections were often impassable.
Today, most of the original King’s Highway has been paved over by modern roads and highways. There are some key historical landmarks that were along the King’s Highway that are preserved today and are on the National Register of Historic Places. A few years ago, a documentary film was created about the King’s Highway and many of the landmarks along the road.
In many places key historic elements have been preserved. For example,The King’s Highway Historic District in New Jersey covers U.S. Route 206 and New Jersey Route 27 that connect Lawrenceville with Kingston through Princeton. There are five National Historic Landmarks, just on that piece of road: Lawrenceville School, Morven Museum and Garden, Maclean House, Nassau Hall, and the Joseph Henry House,..
According to oldest.org and explore.globalcreations.com