Zero Milestone, Monument and kilometer zero in The Ellipse, United States.
A granite monument with a bronze compass rose marks the starting point for measuring road distances throughout the United States.
Inaugurated in 1923, the Zero Milestone emerged from the Good Roads Movement to establish a national reference point for road measurements.
The monument includes inscriptions commemorating the first transcontinental motor convoys that crossed the United States in 1919 and 1920.
Located south of the White House in The Ellipse, the Zero Milestone stands 4 feet tall and features inscriptions on all four sides.
The precambrian granite block contains a small worn pyramid at its center, serving as a reference point for the National Geodetic Survey.
Location: Washington, D.C.
Inception: 1923
Creator: Horace W. Peaslee
Address: Ellipse Rd NW, Washington, DC 20004, USA 20500 Washington
Website: https://ngs.noaa.gov/cgi-bin/ds_mark.prl?PidBox=HV1847
GPS coordinates: 38.89511,-77.03655
Latest update: June 14, 2025 09:54
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