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Abandoned Route 66 - 1926 alignment (Logan County, Illinois)
Abandoned Route 66 - 1931 Foyil roadbed (Rogers County, Oklahoma)
Abandoned Route 66 - Al Ray station section (San Bernardino County, California)
Abandoned Route 66 - Ash Fork Hill (Coconino County, Arizona)
Abandoned Route 66 - Cajon Blvd section (San Bernardino County, California)
Abandoned Route 66 - Canute roadbed (Washita County, Oklahoma)
Abandoned Route 66 - Cemetery alignment (Macoupin County, Illinois)
Abandoned Route 66 - Clinton roadbed (Custer County, Oklahoma)
Abandoned Route 66 - Cuervo to NM 156 (Guadalupe County, New Mexico)
Abandoned Route 66 - Divernon segment (Sangamon County, Illinois)
Abandoned Route 66 - Ghost Segment (Sangamon County, Illinois)
Abandoned Route 66 - Glenarm segment (Sangamon County, Illinois)
Abandoned Route 66 - Hesperia section (San Bernardino County, California)
Abandoned Route 66 - Mohave North, AZ (Mohave County, Arizona)
Abandoned Route 66 - Mt. Olive Segment (Macoupin County, Illinois)
Abandoned Route 66 - Parks (1921) (Coconino County, Arizona)
Abandoned Route 66 - Parks (1931) (Coconino County, Arizona)
Abandoned Route 66 - Sherman segment (Sangamon County, Illinois)
Abandoned Route 66 - Sherman wayside park (Sangamon County, Illinois)
Abandoned Route 66 - Stroud section (Lincoln County, Oklahoma)
Abandoned Route 66 - Towanda cutoff (McLean County, Illinois)
Abandoned Route 66 - Towanda Parkway (McLean County, Illinois)
Abandoned Route 66 - Venice Segment (Madison County, Illinois)
Ala Loa (Hawaii County, Hawaii)
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)
Arcadia Route 66 Roadbed (Oklahoma County, Oklahoma)
Ashley River Road (Charleston County, South Carolina)
Ashley River Road (Unspecified county, South Carolina)
Auburn Brick Road (Sangamon County, Illinois)
Bainbridge Ferry Road (Cape Girardeau County, Missouri)
Baltimore Express Toll Lanes (Baltimore County, Maryland)
Tollway within a freeway in Baltimore, Maryland
Bayo Road (Los Alamos County, New Mexico)
Baywood Street (Stark County, Ohio)
Beech Street Brick Street (Miller County, Arkansas)
Begin - Route 66 (Cook County, Illinois)
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
Block 35 Cobblestone Alley (Pulaski County, Arkansas)
Bolivar--Somerville Stage Road (Fayette County, Tennessee)
Bonneville Salt Flats Race Track (Tooele County, Utah)
Bowman Lake Road (Flathead County, Montana)
Bridger's Pass (Carbon County, Wyoming)
Broadway Bluff Improvement (Nueces County, Texas)
Byler Road (Tuscaloosa County, Alabama)
The oldest public road in Alabama still in use today.
Cabin Creek Covered Bridge (Lewis County, Kentucky)
Cabin John Aqueduct (Montgomery County, Maryland)
Camp Clarke Bridge Site (Morrill County, Nebraska)
Cape Girardeau County Road 532 (Cape Girardeau County, Missouri)
Capital Boulevard Crossing (Thurston County, Washington)
Carriage Point (Bryan County, Oklahoma)
Carrollton Road--Carrollton Segment (Boone County, Arkansas)
Cazenovia Park-South Park System (Erie County, New York)
Cedar Creek Bridge (Chautauqua County, Kansas)
Marsh arch bridge over Cedar Creek, 1.5 mi. east of Elgin
Center Point Covered Bridge (Doddridge County, West Virginia)
Cheesman Park Esplanade (Denver County, Colorado)
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)
City Park Esplanade (Denver County, Colorado)
CLAUD W. SOMERS (skipjack) (Northumberland County, Virginia)
Clermont Street Parkway (Denver County, Colorado)
Cleveland to Charleston Concrete Highway (Bradley County, Tennessee)
Clinton Little Rock Military Road (Faulkner County, Arkansas)
Clinton Little Rock Military Road
Cobblestone Path (Nelson County, Kentucky)
Cobblestone Street (Cooper County, Missouri)
Colbert's Ferry Site (Bryan County, Oklahoma)
Cold Springs Station Site (Churchill County, Nevada)
Colorado River Bridge at Bastrop (Bastrop County, Texas)
Three-span through truss bridge over the Colorado River in Bastrop
Colter's Hell (Park County, Wyoming)
Conroe Bridge (Geary County, Kansas)
Rainbow arch bridge over Clarks Creek on Ascher Road
County Line Bowstring (Unspecified county, Kansas)
Bowstring truss bridge over West Creek on Republic Road, northwest of Hollis
Creamery Bridge (Miami County, Kansas)
Three-span Marsh arch bridge over Marais Des Cygnes River on 8th Street at Osawatomie
D.W. Field Park (Plymouth County, Massachusetts)
Davenport Broadway Avenue Brick Street (Lincoln County, Oklahoma)
Davis Subway (Yolo County, California)
Davis, Isaac, Trail (Middlesex County, Massachusetts)
Dead Man's Curve - Route 66 (Cibola County, New Mexico)
Deadwood Draw (Cheyenne County, Nebraska)
Deception Pass (Skagit County, Washington)
Delavan's Vitrified Brick Street (Walworth County, Wisconsin)
Dewlen-Spohnhauer Bridge (Montgomery County, Kansas)
Four-span through arch over the Verdigris River on Old US 160 just east of Independence
Diamond Springs Stage Station Site (Keith County, Nebraska)
Dollarway Road (Jefferson County, Arkansas)
Doniphan County Waddell Truss Bridge (Doniphan County, Kansas)
Downing Street Parkway (Denver County, Colorado)
Downtown Connector Interchange (Baltimore County, Maryland)
Three-level stack interchange entirely built over water in Baltimore, Maryland
East Fourth Avenue Parkway (Denver County, Colorado)
East Laporte Street Footbridge (Marshall County, Indiana)
Steel, wood decked, two-span Kingpost truss bridge built specifically for pedestrian traffic
East Seventeenth Avenue Parkway (Denver County, Colorado)
East Seventh Avenue Parkway (Denver County, Colorado)
East Sixth Avenue Parkway (Denver County, Colorado)
Eastern Parkway (Kings County, New York)
Eastern Terminus - Route 66 (Cook County, Illinois)
Eastern Terminus of US Highway 80 (Chatham County, Georgia)
El Puente de Los Hidalgos (Santa Fe County, New Mexico)
Elkhart Lake Road Race Circuits (Sheboygan County, Wisconsin)
One of the original road race circuits in the United States
Emerald Pools Trail (Washington County, Utah)
Euclid Avenue (San Bernardino County, California)
Fall River Road (Larimer County, Colorado)
Falls River Road (Cuyahoga County, Ohio)
Fernbridge (Humboldt County, California)
Fifteenth Street and Oklahoma Avenue Brick Street (Coles County, Illinois)
Original brick paving in a residential area
First American Road in Florida (Santa Rosa County, Florida)
First Concrete Street In U.S. (Logan County, Ohio)
First street in American paved with concrete, original concrete surface extant
Floor of the Valley Road (Washington County, Utah)
Florida State Road No. 1 (Santa Rosa County, Florida)
Foote's Crossing Road (Unspecified county, California)
Forest Street Parkway (Denver County, Colorado)
Fort Griffin Brazos River Bridge (Shackelford County, Texas)
Four Mile Creek Lattice (Morris County, Kansas)
Frank A. Hill Causeway (Bergen County, New Jersey)
Garrison Hill Park and Tower (Strafford County, New Hampshire)
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)
Georgetown Pike (Unspecified county, Virginia)
Going-to-the-Sun Road (Unspecified county, Montana)
Goodale's Cutoff (Butte County, Idaho)
Grandview Road--Yellowstone Trail (Yakima County, Washington)
Granite Pass (Cassia County, Idaho)
Grant Road (Los Alamos County, New Mexico)
Great Sierra Wagon Road (Tuolumne County, California)
Greenland Segment Old US 71 (Washington County, Arkansas)
Hadley Parabolic Bridge (Saratoga County, New York)
Lenticular truss bridge over Sacandaga River on Old Corinth Road at Hadley
Harrisburg Covered Bridge (Sevier County, Tennessee)
Heights Boulevard Esplanade (Harris County, Texas)
Hessler Court Wooden Pavement (Cuyahoga County, Ohio)
Highbridge Interchange (Bronx County, New York)
Four-level stack interchange in New York City
Highway 152 Tree Row (Santa Clara County, California)
Hill Road at the Cumberland Plateau (Sequatchie County, Tennessee)
Historic Crown Point Road (Windsor County, Vermont)
Hole-In-The-Rock (Kane County, Utah)
Hole-in-the-Rock Trail (Unspecified county, Utah)
Holloway's Station (Latimer County, Oklahoma)
Hooker Cut (Pulaski County, Missouri)
Independence Bowstring (Montgomery County, Kansas)
Bowstring through truss bridge at the end of Burns Street in Independence
Independence Rock (Natrona County, Wyoming)
Inns on the National Road (Allegany County, Maryland)
Inter County Highway 360 (Hocking County, Ohio)
Iron Pergola (King County, Washington)
J Street Wreck (Sacramento County, California)
Jack Creek Kingpost (Phillips County, Kansas)
Jack Kerouac Alley (San Francisco County, California)
Jefferson Old Town Bowstring Truss (Jefferson County, Kansas)
Jungle Trail (Indian River County, Florida)
Kikiaola (Kauai County, Hawaii)
Lander Road (Caribou County, Idaho)
Lee Roy Selmon Expressway (Hillsborough County, Florida)
Tolled expressway connecting Gandy Bridge to I-75 in Tampa, Florida
Legislative Route 1 Sycamore Allee (Dauphin County, Pennsylvania)
Lemhi Pass (Lemhi County, Idaho)
Lewis and Clark Trail-Travois Road (Garfield County, Washington)
Lilley Road--Lower Rouge River (Wayne County, Michigan)
Lincoln Highway (Douglas County, Nebraska)
Lincoln Highway Bridge (Tooele County, Utah)
Lincoln Highway Ideal Section (Lake County, Indiana)
Lincoln Highway--Duncan West (Platte County, Nebraska)
Lincoln Highway--Gardiner Station (Platte County, Nebraska)
Lincoln Highway--Omaha to Elkhorn (Douglas County, Nebraska)