County Route 154 (Fulton County, New York)

New York State Route 30A
Map of Capital District in New York with NY 30A highlighted in red
Route information
Auxiliary route of NY 30
Maintained by NYSDOT
Length:	34.86 mi (56.10 km)
Existed:	April 1960 – present
Major junctions
South end:	NY 30 in Schoharie
	I-88 in Schoharie US 20 in Esperance I-90 / New York Thruway in Fultonville
North end:	NY 30 in Mayfield
Location
Counties:	Schoharie, Montgomery, Fulton
Highway system
New York Highways Interstate U.S. State Reference Parkways ← NY 30 NY 31 →

New York State Route 30A (NY 30A) is a state highway in the Capital District of New York in the United States. It serves as a westerly alternate route of NY 30 from near the Schoharie County village of Schoharie to the Fulton County hamlet of Riceville, 1 mile (1.6 km) south of the village of Mayfield. While NY 30 heads generally north–south between the two locations and passes through Amsterdam, NY 30A veers west to serve the villages of Fonda and Fultonville and the cities of Johnstown and Gloversville. Along the way, it connects to several major east–west highways, including U.S. Route 20 (US 20) in Esperance and the New York State Thruway in Fultonville.

All of NY 30A north of NY 7 in Central Bridge was originally designated as New York State Route 148 as part of the 1930 renumbering of state highways in New York, replacing NY 54 from Fonda to Mayfield. The piece of modern NY 30A south of NY 7 has been part of several routes, namely NY 30 from 1930 to the 1940s and NY 43 during the 1920s and from the 1940s to the 1950s. In April 1960, this piece of NY 43 was combined with NY 148 to create NY 30A.