New Hampshire Route 111

New Hampshire Route 111
Map of southern New Hampshire with NH 111 highlighted in red
Route information
Maintained by NHDOT
Length	50.027 mi[1] (80.511 km)
Major junctions
West end	Route 111 at the Massachusetts state line
Major intersections	US 3 / Everett Turnpike in Nashua I-93 in Windham NH 107 / NH 125 in Kingston
East end	NH 1A in North Hampton
Location
Country	United States
State	New Hampshire
Counties	Hillsborough, Rockingham
Highway system
New Hampshire Highway System Interstate US State Turnpikes
← NH 110B → NH 112
← NH 101C → NH 101E

New Hampshire Route 111 (abbreviated NH 111) is a 50.027-mile-long (80.511 km) east–west highway in Hillsborough and Rockingham counties in southeastern New Hampshire. The road runs from the Massachusetts border at Hollis to North Hampton on the Atlantic shore.

The western terminus of NH 111 is at the Massachusetts state line in Hollis, where, as Massachusetts Route 111 (Nashua Road), the road continues into the town of Pepperell, Massachusetts, ultimately terminating in Concord at Massachusetts Route 2. The eastern terminus of NH 111 is at the junction with Ocean Boulevard (New Hampshire Route 1A) in North Hampton. At its terminus, the road is known as Atlantic Avenue.