New York State Route 910D
| Washington Avenue Extension | |
NY 910D highlighted in red | |
| Route information | |
| Maintained by NYSDOT | |
| Length | 3.30 mi (5.31 km) |
| Existed | By 1973–present |
| Major junctions | |
| West end | NY 155 / CR 157 in Albany |
| East end | I-90 / CR 156 / Washington Avenue in Albany |
| Location | |
| Country | United States |
| State | New York |
| Counties | Albany |
| Highway system | |
New York State Route 910D (NY 910D) is a 3.30-mile-long (5.31 km) unsigned reference route designation for Washington Avenue Extension, a limited-access extension of Washington Avenue in Albany, New York, in the United States. The state-maintained portion of the highway begins at an intersection with NY 155 (here county-maintained as County Route 157 or CR 157) and ends just east of CR 156 (Fuller Road) at Interstate 90 (I-90) exit 2. Past I-90 and University Avenue, the highway is maintained by the city of Albany and known as Washington Avenue. Washington Avenue Extension was constructed in the late 1960s and open to traffic by 1973.