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Alaska Way Viaduct (King County, Washington)
2.2 mile long, double decked, elevated freeway built between 1949 and 1953
Ambler's Texaco Gas Station (Livingston County, Illinois)
Antietam Street--Grand Trunk Railroad (Wayne County, Michigan)
Ashley River Road (Charleston County, South Carolina)
Auburn Brick Road (Sangamon County, Illinois)
Baltimore Express Toll Lanes (Baltimore County, Maryland)
Tollway within a freeway in Baltimore, Maryland
Baywood Street (Stark County, Ohio)
Beech Street Brick Street (Miller County, Arkansas)
Benton Road (Cape Girardeau County, Missouri)
Old road connecting the county seat towns of Jackson and Benton
Birmingham Interchange (Allegheny County, Pennsylvania)
Four-level stack interchange in Pittsburgh, Pennsylvania
Blackburn's Station Site (Pittsburg County, Oklahoma)
Blacksmith Creek Bridge (Shawnee County, Kansas)
Pony arch bridge over Blacksmith Creek on SW 10th Street west of Topeka and just south of I-70
Cabin Creek Covered Bridge (Lewis County, Kentucky)
Cabin John Aqueduct (Montgomery County, Maryland)
Cape Girardeau County Road 532 (Cape Girardeau County, Missouri)
Center Point Covered Bridge (Doddridge County, West Virginia)
Chesapeake and Ohio 1308 Steam Locomotive (Cabell County, West Virginia)
Chesapeake Bay Bridge-Tunnel (Northampton County, Virginia)
18-mile long bridge-tunnel carrying US-13 across the mouth of Chesapeake Bay between Virginia Beach and Cape Charles, Virginia
Chestnut Street--Grand Trunk Railroad (Wayne County, Michigan)
Clinton Little Rock Military Road (Faulkner County, Arkansas)
Clinton Little Rock Military Road
Cobblestone Path (Nelson County, Kentucky)
Cobblestone Street (Cooper County, Missouri)
Creamery Bridge (Miami County, Kansas)
Three-span Marsh arch bridge over Marais Des Cygnes River on 8th Street at Osawatomie
Davenport Broadway Avenue Brick Street (Lincoln County, Oklahoma)
Dead Man's Curve - Route 66 (Cibola County, New Mexico)
Deception Pass (Skagit County, Washington)
Delavan's Vitrified Brick Street (Walworth County, Wisconsin)
Downtown Connector Interchange (Baltimore County, Maryland)
Three-level stack interchange entirely built over water in Baltimore, Maryland
East Laporte Street Footbridge (Marshall County, Indiana)
Steel, wood decked, two-span Kingpost truss bridge built specifically for pedestrian traffic
Eastern Terminus of US Highway 80 (Chatham County, Georgia)
Elkhart Lake Road Race Circuits (Sheboygan County, Wisconsin)
One of the original road race circuits in the United States
Fifteenth Street and Oklahoma Avenue Brick Street (Coles County, Illinois)
Original brick paving in a residential area
First Concrete Street In U.S. (Logan County, Ohio)
First street in American paved with concrete, original concrete surface extant
Four Mile Creek Lattice (Morris County, Kansas)
Frank A. Hill Causeway (Bergen County, New Jersey)
George Washington Memorial Highway (Arlington County, Virginia)
Historic Highway in Arlington Co., VA, Fairfax County, VA, Montgomery County, MD & Washington, DC
Georgetown Loop Railroad (Clear Creek County, Colorado)
Greenland Segment Old US 71 (Washington County, Arkansas)
Harrisburg Covered Bridge (Sevier County, Tennessee)
Highbridge Interchange (Bronx County, New York)
Four-level stack interchange in New York City
Hooker's Cut (Pulaski County, Missouri)
Inns on the National Road (Allegany County, Maryland)
Inter County Highway 360 (Hocking County, Ohio)
Lee Roy Selmon Expressway (Hillsborough County, Florida)
Tolled expressway connecting Gandy Bridge to I-75 in Tampa, Florida
Lemhi Pass (Lemhi County, Idaho)
Lincoln Highway Ideal Section (Lake County, Indiana)
Little Rock Fort Smith Military Road (Faulkner County, Arkansas)
Old route to wild west from Little Rock
Mariner's Mile (Orange County, California)
Brief history of the Mariner's Mile stretch of PCH in Newport Beach.
Miami Express Toll Lanes (Miami-Dade County, Florida)
Tollway within a freeway in Miami, Florida
Mindoro Cut (La Crosse County, Wisconsin)
A hand-hewn cut through hard rock, built in 1907-08, remaining virtually unchanged
Mine Creek Bridge (Linn County, Kansas)
Rainbow arch bridge over Mine Creek on Ungeheuer Road (Old US 69), five miles north of Prescott
Nation Ford Road (York County, South Carolina)
National Road (Guernsey County, Ohio)
The National Road, built in the 1st part of the 1800s, runs between Cumberland MD and Vandalia IL
Old Arkansas Highway 22 (Logan County, Arkansas)
Old Brick Road (Jackson County, Illinois)
Old Natchez Trace (Unspecified county, Tennessee)
Old U.S. 62, Busch Segment (Carroll County, Arkansas)
Old US 67 Biggers to Datto (Randolph County, Arkansas)
Old US 67 Mandeville (Miller County, Arkansas)
Old US 71--Little River Approach (Sevier County, Arkansas)
Otway Covered Bridge (Scioto County, Ohio)
Pier 57 (New York County, New York)
Pompey's Pillar (Yellowstone County, Montana)
Port Everglades Tollway (Broward County, Florida)
Tollway within a freeway in Fort Lauderdale, Florida
Pottawatomie Creek Bridge (Miami County, Kansas)
Three span through arch bridge over Pottawatomie Creek on Old KS 7 in Osawatomie
Redwood Highway (Del Norte County, California)
River Street-Factors Walk (Chatham County, Georgia)
Root River Parkway - Greendale Vicinity (Milwaukee County, Wisconsin)
Rosedale/Rossville Interchange (Baltimore County, Maryland)
Four-level stack interchange in Baltimore, Maryland
Route 66 - Jericho Gap (Donley County, Texas)
Route 66 - Tucumcari to Montoya (Quay County, New Mexico)
Route 66 - Wilmington to Joilet (Will County, Illinois)
Route 66, Cayuga to Chenoa (Livingston County, Illinois)
Sante Fe Trail Ruts (Ford County, Kansas)
Seedling Mile (Linn County, Iowa)
A section of seedling mile, a demonstration highway built to show motorists the advantages of concrete paving over macadam, gravel or mud.
Selmon Expressway Interchange (Hillsborough County, Florida)
Five-level stack interchange in Tampa, Florida
Serpents Trail (Mesa County, Colorado)
Snake Alley (Des Moines County, Iowa)
Soden's Grove Bridge (Lyon County, Kansas)
Marsh arch bridge over Cottonwood River at Emporia
South Pass (Fremont County, Wyoming)
Traveler's Rest (Missoula County, Montana)
Venetian Causeway (Miami-Dade County, Florida)
Veterans Bridge Interchange (Allegheny County, Pennsylvania)
Three-level stack interchange in Pittsburgh, Pennsylvania
Walnut Ridge Army Airfield Access Road (Lawrence County, Arkansas)
Wescott Road (Charleston County, South Carolina)
Western Terminus - US Route 66 (modern) (Los Angeles County, California)
Weston and Gauley Bridge Turnpike (Braxton County, West Virginia)
Woodchopper Roadhouse (Yukon-Koyukuk Census Area, Alaska)
Wooden Alley (Cook County, Illinois)
Alley with a wooden block surface.
Yellowstone Road, The (King County, Washington)