Interstate 787 (New York)

Route and characteristics

The accepted southern terminus of I-787 is at the toll plaza for the New York State Thruway (Interstate 87), commonly referenced as exit 23; this connection ties I-787 into the larger interstate system via I-87. Moving north, the highway runs close to the Hudson River, serving downtown Albany with multiple interchanges and local access ramps. The designation and length north of the city are the subject of differing reports: if measured to 8th Street in Troy the route is often cited as about 10.16 miles; other authorities record a shorter Interstate length of approximately 9.55 miles, stopping at the interchange where it meets NY 7 and NY 787 in the town of Colonie.

Major junctions and connections

• Southern terminus: New York State Thruway / I-87 (Thruway exit 23).
• Access to downtown Albany and local streets, with multiple exits serving state offices and commercial districts.
• Intersection/overlap area with NY 7; north of NY 7 the roadway continues as NY 787 toward Cohoes.
• Reported northern endpoint locations include an interchange in Colonie or a terminus at 8th Street in Troy, depending on the source.

History and development

I-787 was planned and built as part of mid-20th-century interstate and urban highway programs to improve regional mobility and link state capital facilities with the national network. Construction occurred in stages, and the facility has influenced east–west and waterfront development patterns in Albany. North of the point where state-numbered NY 787 begins, the roadway continues under state control to serve smaller cities along the Hudson.

Importance and notable issues

As a short connector interstate, I-787 plays an outsize role in daily commuting, freight movement, and access to downtown Albany. Its route along the riverfront has also made it a focal point of discussions about urban design and waterfront access: planners and local stakeholders periodically consider adjustments to improve pedestrian connections and redevelopment opportunities. The administrative ambiguity about the northern terminus—whether the Interstate ends at Colonie/NY 7 or continues to 8th Street in Troy—means published lengths differ; the physical roadway, however, links the same communities and transitions into NY 787 north of NY 7.

For maps and technical details consult official route descriptions and regional planning documents maintained by state and local agencies. Further online references may list the route with slightly different endpoints or mileages depending on whether overlaps and unsigned segments are counted.

I-787 reference | I-87 connection | Colonie interchange | Troy terminus report | Albany section | New York