I-787 is a spur serving downtown Albany and connecting Albany with Troy via NY 7. It officially runs from the Thruway to Troy over the Collar City Bridge (and was originally planned to end at a US 4 freeway in Troy); however, it is signed over reference route 912S to US 9W, its planned connection with the original I-87 alignment parallel to the Thruway. The I-87 plans were cancelled and it was placed on the Thruway, leaving the odd ramps at Thruway exit 23 and a Northway stub as the only indications of the old plans. Signage for I-787 is truncated to NY 7/NY 787 to avoid confusion, however southbound signs for I-787 exist on the Collar City bridge, which was to be part of I-88 before being assigned as NY 7. The City of Albany is studying how to improve access to the waterfront, with one proposal including rebuilding I-787 as an at-grade boulevard. NY 787 extends I-787 to Cohoes, and plans intended for it to continue into Waterform using the bed of the Champlain Canal.

Mile Northbound Southbound Notes
Albany County
Speed Limit 55
Minimum 40
0.0 I-787 north US 9W
Albany
At-grade intersection
Thruway access via ramps
0.5 Exit 1
I-87 Thruway
Interstate designation officially follows ramp.
1.1 Exit 2
Port of Albany
Exit 2
NY 32
South Pearl Street
Port of Albany
1.9 Exit 3
US 9 South US 20 East
Rensselaer
Empire Plaza
Exit 3B
US 20 West
Madison Avenue
Port of Albany
1.9 Exit 4
US 9 North US 20 West
Downtown Albany
Exit 3A
US 9 South US 20 East
Rensselaer
Empire Plaza
2.5 Exit 4B
US 9 North
Clinton Avenue
3.0 Exit 4A
Colonie Street
Columbia Street
3.7 Exit 5
I-90
Buffalo
Boston
5.0 Exit 6
NY 32
Menands
6.4 Exit 7E
NY 378 East
South Troy
Exit 7E
NY 378 East
Troy
6.4 Exit 7W
NY 378 West
Watervliet
Exit 7W
NY 378 West
Loudonville
Menands
8.7 Exit 8
23rd Street
Watervliet
Green Island
9.4 Exit 9E
NY 7 East
Troy
Bennington
I-787 officially exits here and ends across the river in Troy, but is not signed as such.
NY 787 north I-787 south
9.4 Exit 9W
NY 7 West To I-87
Schenectady
Saratoga Springs
Speed Limit 45 Speed Limit 55
Minimum 40
9.9 Tibbets Avenue
Maplewood
Green Island
At-grade intersection
Speed Limit 40 Speed Limit 45
10.7 Dyke Avenue At-grade intersection
11.2 Bridge Avenue
Columbia Street
At-grade intersection
11.6 NY 470
Ontario Street
Troy
At-grade intersection
Speed Limit 30 Speed Limit 40
11.7 NY 32
Waterford
Saratoga Street
New Cortland Street
NY 787 south At-grade intersection
Speed Limit 30
Albany County

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