-
In 1752, the Nemacolin Trail is marked by a Nemcolin, a Delaware Indian and Thomas Cresap. It led from Willis Creek to the Potomac River to the Monogahela River.
-
Washington's road is built by George Washington in 1754 during a campaign against the French.
-
Troops under the command of British General Edward Braddock, build the Braddock's Road in 1755.
-
The law that let the Ohio to become a state in United States passed in 1802. The law said that money from the sale of land in Ohio will be used to build road from east to Ohio.
-
In 1806, Thomas Jefferson signs the law establishing the National Road.
-
In 1808, Congress approves funding for surveying the National Road.
-
In 1811, the construction of the National Road begins.
-
In 1818, the National Road completed to Wheeling, and Virginia.
-
Federal government turns over responsibility of the National Road to the States the road runs on in the 1830s
-
Pennsylvania accepts the National Road from the federal government. They have the federal government repair the road and provide money for construction.
-
The National Road reaches Vandalia, Illinois, where construction on the road stops in 1839.
-
In 1852/1853, the Pennsylvania railroad reaches Pittsburgh, Pennsylvania and the Baltimore and Ohio Railroad reaches Wheeling, Virginia. This new transportation will lead to the decline of the National Road.
-
In 1880, the safety bicycle is introduced.
-
In 1926, the National Road becomes part of the U.S.
-
Route 40 is bypassed by Interstate 70 in the 1960s.