U.S. Route 6
Grand Army of the Republic Highway | ||
Route information | ||
Length | 3,198.87 mi (5,148.08 km) | |
Existed | 1926–present | |
Major junctions | ||
West end | US 395 in Bishop, CA | |
| ||
East end | Route 6A in Provincetown, MA | |
Location | ||
Country | United States | |
States | California, Nevada, Utah, Colorado, Nebraska, Iowa, Illinois, Indiana, Ohio, Pennsylvania, New York, Connecticut, Rhode Island, Massachusetts | |
Highway system | ||
|
U.S. Route 6 (US 6) or U.S. Highway 6 (US 6), also called the Grand Army of the Republic Highway, honoring the American Civil War veterans association, is a main route of the United States Numbered Highway System. While it currently runs east-northeast from Bishop, California, to Provincetown, Massachusetts, the route has been modified several times. The highway's longest-lasting routing, from 1936 to 1964, had its western terminus at Long Beach, California. During this time, US 6 was the longest highway in the country.
In 1964, the state of California renumbered its highways, and most of the route within California was transferred to other highways. This dropped the highway's length below that of US 20, making it the second-longest U.S. Route in the country.
US 6 is a diagonal route, whose number is out of sequence with the rest of the U.S. Route grid in the
US 6 does not serve a major transcontinental corridor, unlike other highways. George R. Stewart, author of U.S. 40: Cross Section of the United States of America, initially considered US 6, but realized that "Route 6 runs uncertainly from nowhere to nowhere, scarcely to be followed from one end to the other, except by some devoted eccentric".
Route description
This section needs additional citations for verification. (March 2014) |
mi | km
| |
---|---|---|
CA | 40.51 | 65.19 |
NV | 305.65 | 491.90 |
UT | 373.96 | 601.83 |
CO | 467.28 | 752.01 |
NE | 373.07 | 600.40 |
IA | 319.60 | 514.35 |
IL | 179.88 | 289.49 |
IN | 149.00 | 239.79 |
OH | 248.00 | 399.12 |
PA | 403.00 | 648.57 |
NY | 78.09 | 125.67 |
CT | 116.33 | 187.21 |
RI | 26.50 | 42.65 |
MA | 118.00 | 189.90 |
Total | 3,198.87 | 5,148.08 |
California
The modern US 6 in California is a short, two-lane, north–south surface highway from Bishop to the Nevada state line. Prior to the 1964 state highway renumbering, US 6 extended to Long Beach along what is now US 395, State Route 14 (SR 14), Interstate 5 (I-5), I-110/SR 110, and SR 1. Despite the fact that the renumbering removed all freeway portions, it is still part of the California Freeway and Expressway System. US 6's former routing included a short segment of the famous Arroyo Seco Parkway.
Currently, US 6 begins at US 395 in Bishop and heads north between farms and ranches in Chalfant at the base of the 14,000-foot (4,300 m) western escarpment of the White Mountains. After about 30 miles (48 km), Benton is reached, which has a cafe and gas station. SR 120 begins here, heading west past Mono Lake through Lee Vining, over Tioga Pass, and through Yosemite National Park to the San Joaquin Valley. US 6 continues north to the Nevada state line.
Nevada
From the California border, US 6 heads northeast through the semidesert Queen Valley with Boundary Peak, Nevada's highest summit, and Montgomery Peak in California on the right. These twin peaks are the northernmost high summits of the White Mountains, both over 13,000 feet (4,000 m). The highway then climbs into pinyon–juniper woodland and crosses Montgomery Pass (7,167 ft or 2,185 m).
From the pass, US 6 descends into barren shadscale desert, passing Columbus Marsh on the left, then merging with US 95 from Coaldale Junction to Tonopah. The Nevada Test and Training Range begins about 15 miles (24 km) southeast of Tonopah.
Just east of Tonopah, US 6 continues east across a series of desert mountain ranges and valleys, including the Monitor Range. At Warm Springs, SR 375, also known as the "Extraterrestrial Highway", departs to the southeast and US 6 assumes a northeasterly alignment across the Reveille, Pancake, Grant and White Pine ranges. Rainfall increases eastward, so valleys become less barren and peaks over 11,500 feet (3,500 m) add scenic interest.
Utah
US 6 enters Utah concurrently with US 50 in a remote portion of the Great Basin Desert; the routes separate at Delta. US 6 then proceeds on a northeast course toward the Wasatch Front serving the Tintic and Eureka historic and mining districts along the way. Upon entering the Wasatch Front, at Santaquin, the route joins I-15 to Spanish Fork, which is where US 6 reverses course on a southeastern path away from the Wasatch front, also joining with US 89 for the journey through Spanish Fork canyon. After cresting the Wasatch Range via Soldier Summit, the route descends into Utah's coal country, which is where it joins US 191. At Green River, those two routes join I-70 and rejoin US 50. From Green River east the routes travel concurrently using the route of I-70 following the southern rim of the Book Cliffs. US 191 leaves the concurrency at Crescent Junction but the other three routes remain concurrent as they continue to follow the Book Cliffs toward the Grand Valley into Colorado.
Colorado
US 6 is basically parallel to, or runs concurrently with,
Nebraska
From the Colorado state line, US 6 starts going southeast. The first town it goes into is
Iowa
US 6 enters Iowa at Council Bluffs, across the Missouri River from Omaha where it intersects I‑29 within the first mile. Through Council Bluffs, it travels south concurrent with I‑29, then turns east to run concurrent with I‑29 and I‑80. Where I-29 and I-80 split, US 6 continues northeast concurrent with I-80. The concurrency with I-80 ends at the interchange with East Kanesville Boulevard, on the northeast side of Council Bluffs, at which point US 6 turns east to run through rural Pottawattamie County. Further east, the highway briefly overlaps US 59 near Oakland and continues east until Lewis. There, it turns sharply north-northeast to Atlantic where joins US 71 until I‑80. It overlaps I‑80 between US 71 and US 169 at De Soto. US 6 travels north with US 169 to Adel, then turns east to go toward Des Moines. It enters the Des Moines metro area along Hickman Road in Waukee and then forms the border between Urbandale to the north and Clive and Windsor Heights to the south. In Des Moines, Iowa Highway 28 (Iowa 28) joins US 6 at 63rd Street, and the two highways head east and north on Merle Hay Road. US 6 splits away at Douglas Avenue and it continues east. Near the Des Moines River, Douglas Avenue becomes Euclid Avenue. In the northeastern part of the city, it intersects US 69 and I‑235. The highway turns onto Hubbell Avenue and heads into Altoona where it meets US 65 and rejoins I‑80.[1]
East of the Des Moines metropolitan area, US 6 again overlaps I‑80 until they reach Newton. There, it splits away to the north and runs parallel to the Interstate. It passes through Grinnell, Marengo, and the Amana Colonies before arriving in Coralville. In Iowa City, it passes through the University of Iowa campus on the banks of the Iowa River. The highway heads southeast from Iowa City toward West Liberty and then more easterly to Wilton. At Wilton, the highway heads north to rejoin I‑80 until they reach Davenport. After a short overlapping of I‑280, US 6 enters the city along Kimberly Road, on which it remains until I‑74. The two routes then run south to cross the Mississippi River into Illinois on the I-74 Bridge.[1]
Illinois
In
Indiana
US 6 crosses the state line and shares the same
Ohio
US 6 enters Ohio from Indiana in Williams County. It travels through Edgerton, then just south of Bryan before it passes through Napoleon, Bowling Green, and Fremont, before turning northeast toward Sandusky Bay and Lake Erie. After passing through Sandusky, the highway follows the southern shore of Lake Erie, passing through Huron and Vermilion. After crossing the Charles Berry Bridge in Lorain, it passes through the western suburbs of Greater Cleveland as Lake Road in Sheffield Lake, Avon Lake, Bay Village, and Rocky River, and Clifton Boulevard in Lakewood and the West Boulevard–Edgewater neighborhood of Cleveland proper. US 6 follows the Cleveland Memorial Shoreway into Downtown Cleveland, entering downtown by crossing the Detroit–Superior Bridge. US 6 follows Superior Avenue through Public Square and the east side of Cleveland before turning east onto Euclid Avenue in East Cleveland and Chardon Road in the city of Euclid. US 6 continues eastward through Lake County, Geauga County, and finally into Ashtabula County before entering the state of Pennsylvania along the Pymatuning Reservoir causeway.
Ohio also has an
Pennsylvania
US 6 runs for 403 miles (649 km) in Pennsylvania between its entrance point 20 miles (32 km) west of Meadville and its exit at Matamoras. From the Ohio border to US 322 in Conneaut Lake, the route runs in a southeasterly direction. US 6 then joins US 322 and heads east to Meadville, picking up US 19 west of the city. South of downtown, US 322 splits from the concurrency while US 6 and US 19 remain concurrent through Meadville. The two routes continue northward to Mill Village, where US 6 and US 19 split at a junction with US 6N.
For the remainder of its routing in Pennsylvania, US 6 runs roughly parallel to the New York–Pennsylvania border. Along the way, US 6 is concurrent with US 62 for a short distance near Warren. US 11 joins US 6 from the north in Factoryville. They run concurrently to Scranton, where US 11 continues south and US 6 east. At Milford, US 6 meets US 209. The two routes embark to the northeast, crossing the Delaware River from Matamoras to Port Jervis, New York.
New York
The 79-mile (127 km) portion of US 6 in New York travels through Orange, Putnam, and Westchester counties, going across the southern part of the state through the northern suburbs of New York City. The route enters the state along with US 209 in Port Jervis. The two routes split just north of town, with US 209 taking a more northerly route to access Kingston. US 6, in contrast, runs primarily east–west through southern New York.
A section of US 6 runs concurrent with New York State Route 17 (NY 17; The Quickway) between Goshen and Harriman. The route is currently being upgraded to become part of I-86. At Harriman, US 6 passes through one of the largest interchanges in the state of New York, where US 6/NY 17 meet I-87 (New York State Thruway) and NY 32. NY 17 becomes an at-grade road and heads south, while US 6 remains a limited-access freeway as it heads east into Harriman State Park. Near the east side of the park, US 6 intersects the Palisades Interstate Parkway and runs concurrently with it to the historic Bear Mountain Bridge, where US 6 is joined by US 202 and is narrowed to a rural two-lane road as it crosses the Hudson River with scenic views of the Hudson Highlands.
On the other side of the river and exiting Orange County for Westchester, US 6 and US 202 run along the Hudson River to Peekskill and has a short concurrency with US 9 before the three routes split, allowing US 6 to continue to the northeast through northern Westchester County and into Putnam County. At Shrub Oak, US 6 has an interchange with the historic Taconic State Parkway, one of the first and most scenic long-distance freeways in the U.S. In Brewster, US 6 joins US 202 once again, with the routes running concurrently into Connecticut. US 6 and US 202 also have a large interchange with I-84, I-684, and NY 22 in Brewster.
Connecticut
US 6 runs for 116.3 miles (187.2 km) in Connecticut. It enters from the town of Southeast, New York, concurrent with US 202, shortly passes through begins the city of Danbury, and ends at the Rhode Island state line in the town of Killingly. In western Connecticut, US 6 either closely parallels or is concurrent with I-84, serving as the local route in the suburbs of Danbury, Waterbury, Bristol, and Hartford. It crosses the Connecticut River (overlapped with I-84 and US 44) on the Bulkeley Bridge. In eastern Connecticut, US 6 is one of the principal routes connecting Hartford and Providence, passing through the small urban areas of Willimantic and Danielson. The unsigned portion of the Connecticut Turnpike then meets with US 6 shortly before crossing the Rhode Island state line.
Rhode Island
US 6 covers approximately 26.5 miles (42.6 km) in Rhode Island from
.Massachusetts
US 6 runs approximately 117.5 miles (189.1 km) in
History
New England
The first interstate numbering along the path of US 6 was
While US 6 replaced the general corridor of Route 3 in New England, some portions used different alignments. One of these was on
In New York, US 6 replaced all of Route 37—known as the "Bridge Route"—over the Bear Mountain Bridge,
Extensions
Location | Omaha, Nebraska–Chicago, Illinois |
---|---|
Existed | 1926–1934 |
Location | Greeley, Colorado–Omaha, Nebraska |
---|---|
Existed | 1926–1931 |
Two other routes that would become part of US 6 were included in the 1925 plan: US 32 from Chicago, Illinois to Omaha, Nebraska, and US 38 from Lincoln, Nebraska to Greeley, Colorado.[4] As part of the fine-tuning during 1926, US 38 was extended east from Lincoln to Omaha, allowing US 77, which had been assigned to this road, to extend north to Sioux City, Iowa. These routes, which now connected end-to-end at Omaha, replaced a large portion of the Detroit–Lincoln–Denver Highway, which split at Princeton to bypass Chicago to the south via Joliet. They followed existing state highways: SH 2 and SH 14 in Colorado, Nebraska Highway 7 in Nebraska, Iowa 2 and Iowa 7 in Iowa, and Illinois Route 7 (IL 7) and IL 18 in Illinois.[3][5]
Most of US 32 and all of US 38 became a western extension of US 6 on June 8, 1931, and the Roosevelt Highway name followed.
The Roosevelt Highway Association continued to push for an extension,
Major
Modern history
As part of the 1964 state highway renumbering in California, US 6 was truncated to its intersection with US 395 at Bishop. The portions of the former route that did not overlap other routes, including US 395 and I-110/SR 110, were redesignated as SR 14.[7][17]
Starting in early 1983, US 6 was a discontinuous route for almost one year, due to a massive landslide that destroyed the town of Thistle, Utah. The highway was rebuilt by blasting a path higher up the canyon wall. The landslide remains the most costly in the history of the U.S.
Since the 1970s, portions of US 6 in Iowa have been moved permanently onto I-80. The first section, between US 71 and Adair, was rerouted in 1972.[18] In 1980, three lengthy sections were moved onto the Interstate: 26 miles (42 km) in western Iowa between Adair and Dexter,[19] 25 miles (40 km) in central Iowa between Altoona and Newton,[20] and 20 miles (32 km) in eastern Iowa between Wilton and Davenport.[21] On July 1, 2003, 15 miles (24 km) between Dexter and Adel were turned over to Dallas County.[22] US 6, which had previously split away from I-80 at the Dexter exit, was continued along I-80 to the US 169 interchange at De Soto, and then along US 169 to Adel.[23][24]
In 2015, the American Association of State Highway and Transportation Officials (AASHTO) approved a request from the Colorado Department of Transportation to eliminate US 6 through the city of Rifle, meaning that US 6 is now discontinuous between Rifle and Grand Junction, although current signage does not reflect this change.[25]
Major intersections
- California
- US 395 in Bishop
- Nevada
- US 95 in Coaldale. The highways travel concurrently to Tonopah.
- US 50 / US 93 in Ely. US 6/US 50 travel concurrently to Delta, Utah. US 6/US 93 travel concurrently to Majors Place.
- Utah
- I-15 in Santaquin. The highways travel concurrently to Spanish Fork.
- US 89 in Spanish Fork. The highways travel concurrently for just under 10 miles (16 km).
- US 191 north of Helper. The highways travel concurrently to east-southeast of Green River.
- I-70 / US 50 west of Green River. US 6/US 50 travel concurrently to Grand Junction, Colorado. I-70/US 6 run mostly parallel between here and just east of Idaho Springs, Colorado with the two routes, joining, separating and crossing over each other several times in this span.
- Colorado
- US 24 northwest of Minturn (as part of a concurrency with I-70).
- US 40 east of Empire (as part of a concurrency with I-70). The highways travel concurrently to east of Idaho Springs
- I-70 east of Idaho Springs. East end of a mostly concurrent route with I-70 since Green River, Utah (with several separations and merges)
- US 40 in Golden
- I-70 in Golden
- I-25 / US 85 / US 87 in Denver. I-25/US 6/US 87 travel concurrently through the city. US 6/US 85 travel concurrently to near Commerce City.
- US 40 / US 287 in Denver
- I-25 / I-70 / US 87 in Denver. I-70/US 6 travel concurrently through the city.
- I-270 / US 36 in Commerce City
- I-76 northwest of Derby. The highways travel concurrently to northeast of Brush.
- US 34 northeast of Wiggins. The highways travel concurrently to west of Fort Morgan.
- US 138 in Sterling
- I-76 in Sterling
- US 385 in Holyoke
- Nebraska
- US 34 west of Culbertson. The highways travel concurrently to Hastings
- US 83 in McCook. The highways travel concurrently through the city.
- US 283 in Arapahoe
- US 136 north of Edison
- US 183 in Holdrege
- US 281 in Hastings. The highways travel concurrently through the city.
- US 81 in Fairmont
- I-80 / US 77 in Lincoln
- I-80 in Waverly
- US 275 in West Omaha
- I-680 in Omaha
- I-480 in Omaha. The highways travel concurrently to Council Bluffs, Iowa.
- Iowa
- I-480 in Council Bluffs
- I-80 in Council Bluffs
- US 59 in Belknap Township. The highways travel concurrently to Oakland.
- US 71 in Atlantic. The highways travel concurrently to Pymosa Township.
- I-80 / US 71 in Pymosa Township. I-80/US 6 travel concurrently to De Soto.
- I-80 / US 169 in De Soto. US 6/US 169 travel concurrently to Adel.
- I-35 / I-80 on the Clive–Urbandale city line.
- US 69 in Des Moines
- I-235 in Des Moines
- US 65 in Altoona
- I-80 / US 65 in Altoona. I-80/US 6 travel concurrently to Newton.
- US 63 north-northwest of Malcom. The highways travel concurrently to north of Malcom.
- US 151 south-southwest of the Amana Colonies. The highways travel concurrently to south of the Amana Colonies.
- I-80 in Sugar Creek Township. The highways travel concurrently to Davenport.
- I-280 in Davenport. I-280/US 6 travel concurrently for approximately 0.824 miles (1.326 km).
- US 61 in Davenport
- I-74 on the Davenport–Bettendorf city line. The highways travel concurrently to Moline, Illinois.
- US 67 in Bettendorf
- Illinois
- I-280 in Moline
- US 150 in Moline
- I-80 in Colona
- US 34 in Sheffield. The highways travel concurrently to Princeton.
- I-180 east of Princeton.
- I-39 / US 51 in LaSalle
- I-55 in Channahon
- US 52 in Joliet. The highways travel concurrently through the city.
- US 30 in Joliet. The highways travel concurrently through the city.
- I-355 in New Lenox
- US 45 in Orland Park
- I-57 in Markham
- I-294 in Markham
- I-94 in South Holland
- I-80 / I-94 in Lansing. The highways travel concurrently to Lake Station, Indiana.
- Indiana
- US 41 in Hammond. The highways travel concurrently through the city.
- I-65 in Gary
- US 421 in Westville. The highways travel concurrently to south-southeast of Westville.
- US 35 south of Kingsbury. The highways travel concurrently to South Center.
- US 31 southeast of La Paz
- US 33 in Benton Township. The highways travel concurrently to Ligonier.
- I-69 west-northwest of Waterloo
- Ohio
- US 127 in Pulaski Township
- US 24 in Napoleon. The highways travel concurrently to Liberty Township.
- I-75 in Center Township
- US 23 on the Freedom–Scott township line
- US 20 in Fremont. The highways travel concurrently through the city.
- US 250 in Sandusky
- US 20 in Lakewood. The highways travel concurrently to Cleveland.
- US 20 / US 42 / US 322 / US 422 in Cleveland. US 6/US 322 travel concurrently through the city.
- I-90 in Cleveland
- US 20 in East Cleveland. The highways travel concurrently to Euclid.
- Pennsylvania
- US 322 in Conneaut Lake. The highways travel concurrently to Meadville.
- LeBoeuf Township.
- I-79 in Vernon Township
- LeBoeuf Township
- US 62 in Brokenstraw Township. The highways travel concurrently to Warren.
- US 219 in Hamlin Township
- US 220 in North Towanda Township
- US 11 in Clinton Township. The highways travel concurrently to Chinchilla.
- I-81 / I-476 in Chinchilla. I-81/US 6 travel concurrently to Dunmore.
- I-81 / I-84 / I-380 in Dunmore
- I-84 in Milford Township
- US 209 in Milford. The highways travel concurrently to Port Jervis, New York.
- I-84 in Westfall Township
- New York
- I-84 / Route 23 in Port Jervis
- I-84 / NY 17M in Middletown. US 6 and NY 17M run concurrently to Goshen.
- . US 6 and NY 17 run concurrent to Harriman, with the concurrency commonly called 6 and 17.
- Palisades Parkway / Seven Lakes Drive in Harriman State Park. US 6 and the Palisades Parkway run concurrently to Bear Mountain.
- .
- US 9 / Bear Mountain State Parkway in Cortlandt. US 6/202 and US 9 travel concurrently to Peekskill.
- US 9 / US 202 / NY 35 in Peekskill
- Taconic State Parkway at Shrub Oak
- US 202 / NY 22 in Brewster. US 6 and US 202 travel concurrently to Danbury, Connecticut, and US 6/202 and NY 22 have a short concurrency.
- Connecticut
- I-84 / US 7 / US 202 in Danbury. The highways travel concurrently through the city.
- I-84 in Newtown. The highways travel concurrently to Southbury.
- Route 8 in Thomaston
- I-84 in Farmington. The highways travel concurrently to Manchester.
- US 44 in Hartford. The highways travel concurrently to East Hartford.
- I-91 in Hartford
- Route 15 / US 5 in East Hartford
- I-384 in Manchester
- I-84 / US 44 in Manchester. US 6/US 44 travel concurrently to Bolton.
- I-384 / US 44 in Bolton
- I-395 / Connecticut Turnpike in Killingly
- Rhode Island
- I-295 in Johnston. The highways travel concurrently through the city.
- I-95 in Providence. The highways travel concurrently through the city.
- US 1 in Providence
- I-95 / I-195 in Providence. I-195/US 6 travel concurrently to East Providence.
- US 44 in Providence. The highways travel concurrently to East Providence.
- Massachusetts
- I-195 in Swansea
- Route 6A in Provincetown
See also
- Special routes of U.S. Route 6
- U.S. Route 106
- U.S. Route 206
- U.S. Route 138
- U.S. Route 6N
- U.S. Route 6N (New York)
- Massachusetts Route 6A
References
- ^ a b Iowa Department of Transportation (2012). State of Iowa Transportation Map (PDF) (Map). Ames: Iowa Department of Transportation. Retrieved March 1, 2014.
- ^ a b National Survey Company, The official National Survey maps and guide for Southern New England: Massachusetts, Connecticut, Rhode Island, 1926, accessed via the Broer Map Library[full citation needed]
- ^ a b c d e Rand McNally Auto Road Atlas, 1926, accessed via the Broer Map Library[full citation needed]
- ^ .
- ^ .
- ^ American Association of State Highway Officials. April 1927.
- ^ a b c d e Weingroff, Richard F. "U.S. 6: The Grand Army of the Republic Highway". Highway History. Federal Highway Administration.
- Connecticut State Highway Department, state map, 1932[full citation needed]
- ^ "New York and New England". Automobile Blue Book: Standard Touring Guide of America. Vol. Vol. 1. Chicago: Automobile Blue Books. 1926.
- ^ "New York and New England". Automobile Blue Book: Standard Touring Guide of America. Vol. Vol. 1. Chicago: Automobile Blue Books. 1927. Fold-out maps and turn by turn guides show the Port Jervis to Middletown route as unnumbered.
- ^ "Sixty Roosevelt Highway Association Members in Session". Wellsboro Gazette. September 25, 1930.
- ^ "Roosevelt Highway Route is Extended to Colorado". McKean County Democrat. June 18, 1931.
- ^ "Roosevelt Highway Association Renders Valuable Services". McKean County Democrat. December 26, 1935.
- ^ "Roosevelt Highway at Last Gets Official Routing over No. 50". Times Independent. December 31, 1936. p. 5. Archived from the original on February 15, 2012.
- ^ Wellsboro Agitator. January 6, 1937.
The action taken at the recent San Francisco meeting of the American Association of State Highway Officials now gives it a single federal highway number from the Atlantic to the Pacific.
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(help) - ^ "4-Lane Rt. 6 plan to be Discussed in Smethport". McKean County Democrat. February 17, 1966.
- California Highway Department, 1963 State Highway Map and 1963 District VII State Highway Numbering Map
- ^ Iowa State Highway Commission (1973). State of Iowa Transportation Map (PDF) (Map). Ames: Iowa State Highway Commission. Retrieved September 29, 2010.
- ^ Google (September 29, 2010). "Overview of Iowa 925" (Map). Google Maps. Google. Retrieved September 29, 2010.
- ^ Google (September 29, 2010). "Overview of Iowa 926" (Map). Google Maps. Google. Retrieved September 29, 2010.
- ^ Google (September 29, 2010). "Overview of Iowa 927" (Map). Google Maps. Google. Retrieved September 29, 2010.
- ^ Petroski, William (July 1, 2003). "Road Transfer Draws Worry". The Des Moines Register. p. B1.
- ^ Iowa Department of Transportation (2003). State of Iowa Transportation Map (PDF) (Map). Ames: Iowa Department of Transportation. Retrieved December 27, 2013.
- ^ Iowa Department of Transportation (2004). State of Iowa Transportation Map (PDF) (Map). Ames: Iowa Department of Transportation. Retrieved September 29, 2010.
- ^ Special Committee on U.S. Route Numbering (May 14, 2015). "Special Committee on U.S. Route Numbering Spring 2015 Report to the Standing Committee on Highways" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original (PDF) on June 3, 2019. Retrieved June 6, 2015.
- ISBN 978-0-528-00771-2.
External links
- Endpoints of US 6
- Federal Highway Administration: US 6
- U.S. Route 6 Tour Association
- Route 6: The Longest U.S. Transcontinental Highway
- US 6 in Connecticut (Scott Oglesby)
- Linesville, Pa., National U.S. Route 6 Museum Site