 State Route 143 | ||||
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| Route information | ||||
| Maintained by VDOT | ||||
| Length | 35.39 mi[1] (56.95 km) | |||
| Existed | mid-1940s–present | |||
| Major junctions | ||||
| West end | Camp Peary near Williamsburg | |||
| East end |  US 258 at Fort Monroe in Hampton | |||
| Location | ||||
| Country | United States | |||
| State | Virginia | |||
| Counties | York, City of Williamsburg, James City, City of Newport News, City of Hampton | |||
| Highway system | ||||
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State Route 143 (SR 143) is a primary state highway in the U.S. state of Virginia. The state highway runs 35.39 miles (56.95 km) from Camp Peary near Williamsburg east to U.S. Route 258 (US 258) at Fort Monroe in Hampton. SR 143 is a major local thoroughfare on the Virginia Peninsula portion of the Hampton Roads metropolitan area. The state highway is named Merrimac Trail through the independent city of Williamsburg and adjacent portions of York County and James City County. SR 143 follows Jefferson Avenue through the city of Newport News from the Williamsburg area past Virginia Peninsula Regional Jail to near Downtown Newport News. The state highway, which mostly runs northwest–southeast, heads northeast from Newport News, serving as one highway connecting the downtown areas of Newport News and Hampton. SR 143 parallels both US 60 and Interstate 64 (I-64) extensively, and sometimes very closely, throughout its course. The state highway also runs concurrently with US 60 in Hampton and with US 17 in Newport News.