|New Hampshire Turnpike System|
Standard highway markers for U.S. Route 4, New Hampshire Route 16, Interstate 95, and the Blue Star Turnpike
|Interstates||Interstate X (I-X)|
|US Highways||U.S. Route n (US X or Route X)|
|State||New Hampshire Route X (NH X or Route X)|
The New Hampshire Turnpike System is a system of 93 miles (150 km) of limited access highway, 36 miles (58 km) of which are part of the National Highway System, within the U.S. state of New Hampshire. The Turnpike System is managed by the New Hampshire Department of Transportation (NHDOT) Bureau of Turnpikes.
There are three limited access highways that make up the Turnpike System:
|Number||Length (mi)||Length (km)||Southern or western terminus||Northern or eastern terminus||Formed||Removed||Notes|
|Blue Star Turnpike||14.29||23.00||I‑95 at Salisbury, MA||US 1 Byp. / Spaulding Turnpike / US 4 / NH 16 at Portsmouth Traffic Circle||1957||current||also known as the New Hampshire Turnpike (I-95)|
|Everett Turnpike||39.867||64.160||US 3 at Tyngsborough, MA||I-93 / NH 9 in Concord||1955c.||current||also known as the Central Turnpike or Central New Hampshire Turnpike|
|Spaulding Turnpike||33.2||53.4||I-95 / US 1 Byp. / US 4 / NH 16 in Portsmouth||NH 16 / NH 125 in Milton||1956c.||current||overlapped by New Hampshire Route 16|
The Blue Star and Spaulding Turnpikes are also known collectively as the Eastern Turnpike.
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