The following highways are numbered 414:
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The following highways are numbered 414:
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Florida State Road 414 
Georgia State Route 414 (unsigned designation for former proposed Interstate 420 
Louisiana Highway 414 
Maryland Route 414 
New York State Route 414 
Oregon Route 414 
Pennsylvania Route 414 
Puerto Rico Highway 414 
South Carolina Highway 414 
Wyoming Highway 414 | Preceded by 413 | Lists of highways 414 | Succeeded by 415 |
New York State Route 414 (NY 414) is a north–south state highway in the Southern Tier and Finger Lakes regions of New York in the United States. It extends for 83.20 miles (133.90 km) from an intersection with NY 352 in the Steuben County city of Corning to a junction with NY 104 in the Wayne County town of Huron. NY 414 spans five counties and roughly parallels NY 14 between Watkins Glen and Huron. It intersects every major east–west arterial in western New York, including the Southern Tier Expressway, U.S. Route 20 (US 20) and NY 5, and the New York State Thruway (I-90). The route passes through mostly rural areas as it travels between the several villages and cities along its routing.
Maryland Route 414 is a state highway in the U.S. state of Maryland. The highway runs 5.64 miles (9.08 km) from the beginning of state maintenance in Forest Heights east to MD 5 in Silver Hill. MD 414 connects the inner suburbs of Oxon Hill, Marlow Heights, and Silver Hill and provides access to National Harbor. The highway was constructed through Oxon Hill and Marlow Heights in the early 1930s. MD 414 was extended through Silver Hill along the old alignment of MD 5 when that highway bypassed Silver Hill in the early 1950s. The highway was expanded to a divided highway between Marlow Heights and Silver Hill in the early 1970s, around its interchange with Interstate 95 (I-95) and I-495 in the early 1980s, and around MD 210 in Oxon Hill in the late 1980s. MD 414 was reconstructed around MD 210 again in the mid-2000s with the construction of National Harbor and the new Woodrow Wilson Bridge.
