Business routes of Interstate 10

Interstate 10
Highway system
Interstate Highway System Main Auxiliary Suffixed Business

Interstate business routes are roads connecting a central or commercial district of a city or town with an Interstate bypass. These roads typically follow along local streets often along a former U.S. route or state highway that had been replaced by an Interstate. Interstate business route reassurance markers are signed as either loops or spurs using a green shield shaped and numbered like the shield of the parent Interstate highway.

Along Interstate 10 (I-10), business routes are found in the four westernmost states through which I-10 passes: California, Arizona, New Mexico, and the far western region of Texas beyond the Pecos River. Although I-10 is a transcontinental highway, none of the states to the east along the Interstate have yet to designate I-10 business routes.

Some states regard Interstate business routes as fully integrated within their state highway system while other states consider them to be either local roads to be maintained by county or municipal authorities or a hybrid of state and local control.

Although the public may differentiate between different business routes by the number of the parent route and the location of the route, there is no uniform naming convention. Each state highway department internally uses its own designations to identify segments within its jurisdiction.

California

Interstate business routes in California are assigned by the California Department of Transportation (Caltrans), but are not maintained by Caltrans unless they overlay other routes of the state highway system. Local authorities may request route assignment from the Caltrans Transportation System Information Program, and all requests require approval of the executive committee of the American Association of State Highway and Transportation Officials (AASHTO).^[1]

Blythe business loop

Interstate 10 Business
Location:	Blythe, California
Length:	7.9 mi^[2] (12.7 km)

Interstate 10 Business is a business loop of I-10 at Blythe in Riverside County. The route begins at I-10 Exit 236 and goes to the north along Neighbours Boulevard. The route turns to the east along Hobsonway through town, then crosses underneath I-10 just before the Colorado River at the Arizona state line and emerges from the underpass as Riviera Drive where the route reconnects with I-10 at Exit 243. The business loop has major intersections with US 95 and SR 78.^[2]

The route was formerly designated as part of US 60 except along Neighbours Blvd. The eastern part of the route also conveyed US 95.^[3]

Major intersections

The entire route is in Riverside County.

Location	mi^[2]	km	Destinations	Notes
	0	0.0	I-10 / SR 78 – Coachella, Brawley	Western terminus
Blythe	5.3	8.5	US 95 north (Intake Blvd.) – Needles
Blythe	7.9	12.7	I-10 / US 95 south – Ehrenberg, AZ	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Arizona

The business loops within Arizona are maintained by the Arizona Department of Transportation (ADOT) and by municipal authorities. Interstate 10 (I-10) has five business loops within the state including one in La Paz County, the westernmost in Arizona through which I-10 passes, and four in Cochise County, the easternmost. ADOT identifies Interstate business loops as State Business Routes followed by the number of the parent Interstate. Individual loops along an Interstate are designated by adding parenthetical numbers that increase eastward and northward. Gaps in numbering represent removal of former routes or potential expansion.

Quartzsite business loop

State Business Route 10 (1)
Location:	Quartzsite, Arizona
Length:	2.94 mi^[4]^:532 (4.73 km)
Existed:	1991–present^[4]^:532

State Business Route 10 (1) is a business loop of I-10 at Quartzsite in La Paz County operated since 1991. The 2.9-mile (4.7 km) route, which follows along the local streets Quartzsite Boulevard, Main Street, and Riggles Avenue, begins at Exit 17 of I-10 and U.S. Route 95 (US 95) west of town and ends at Exit 24 of I-10 east of town. Between its termini, the route has a major intersection with State Route 95 (SR 95) where it ends a concurrency with US 95.^[5]^:407

The route was originally designated along part of US 60 and US 70.^[6]

Major intersections

The entire route is in Quartzsite, La Paz County.

mi^[5]^:407	km	Destinations	Notes
0.00	0.00	I-10 / US 95 north – Ehrenberg	Western terminus; west end of US 95 overlap
1.71	2.75	US 95 south (Central Boulevard) / SR 95 – Yuma, Parker	East end of US 95 overlap
2.94	4.73	I-10 – Phoenix	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus

Benson business loop

State Business Route 10 (3)
Location:	Benson, Arizona
Length:	3.51 mi^[4]^:533 (5.65 km)
Existed:	1991–present^[4]^:535

State Business Route 10 (3) is a business loop of I-10 at Benson in Cochise County operated since 1991. The 3.5-mile (5.6 km) route follows along Benson's Fourth Street beginning at Exit 303 of I-10 west of town and ends at Exit 306 of I-10 east of town. Between its termini, the route has a major intersection with SR 80.^[5]^:408

The route was originally designated along part of SR 86 while US 80 was conveyed over a portion of the present business route.^[7]

Major intersections

The entire route is in Cochise County.

Location	mi^[5]^:408	km	Destinations	Notes
	0.00	0.00	I-10 – Tucson	Western terminus; no access to I-10 BL from I-10 west
Benson	2.23	3.59	SR 80 east – Tombstone, Bisbee, Douglas	Interchange
Benson	3.51	5.65	I-10 – Willcox	Eastern terminus; road continues as Pomerene Road
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Incomplete access

Willcox business loop

State Business Route 10 (4)
Location:	Willcox, Arizona
Length:	8.33 mi^[4]^:536 (13.41 km)
Existed:	1986–present^[4]^:536

State Business Route 10 (4) is a business loop of I-10 at Willcox in Cochise County operated since 1986. The 8.3-mile (13.4 km) route, following along Willcox's Haskell Avenue, begins at Exit 336 of I-10 west of town and ends at Exit 344 of I-10 east of town. Between its termini, the route has a brief concurrency with SR 186.^[5]^:410

The route was formerly designated as part of US 666 and SR 86.^[8]

Major intersections

The entire route is in Cochise County.

Location	mi^[5]^:410	km	Destinations	Notes
	0.00	0.00	I-10 – Benson	Western terminus
Willcox	3.72	5.99	SR 186 south (Maley St.) – Dos Cabezas	Begin overlay with SR 186
Willcox	4.43	7.13	SR 186 north (Rex Allen Dr.)	End overlay with SR 186
	8.33	13.41	I-10 – Lordsburg, NM	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Bowie business loop

State Business Route 10 (5)
Location:	Bowie, Arizona
Length:	4.41 mi^[4]^:537 (7.10 km)
Existed:	1980–present^[4]^:537

State Business Route 10 (5) is a business loop of I-10 at Bowie in Cochise County operated since 1980. The 4.4-mile (7.1 km) route along Sixth Street in Bowie begins at Exit 362 of I-10 west of town and ends at Exit 366 of I-10 east of town. Between its termini, the route has no major intersections.^[5]^:411

The route was formerly designated as part of SR 86.^[9]

Major intersections

The entire route is in Bowie, Cochise County.

mi^[5]^:411	km	Destinations	Notes
0.00	0.00	I-10 – Willcox	Western terminus
4.41	7.10	I-10 – Lordsburg, NM	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

San Simon business loop

State Business Route 10 (6)
Location:	San Simon, Arizona
Length:	3.90 mi^[4]^:538–539 (6.28 km)
Existed:	1961–present^[4]^:539

State Business Route 10 (6) is a business loop of I-10 at San Simon in Cochise County operated since 1961. The 3.9-mile (6.3 km) route follows San Simon's Sixth Street beginning at Exit 378 of I-10 west of town and ending at Exit 382 of I-10 east of town. Between its termini, the route has no major intersections.^[5]^:412–413

The route was formerly designated as part of SR 86.^[10]

Major intersections

The entire route is in San Simon, Cochise County.

mi^[5]^:412–413	km	Destinations	Notes
0.00	0.00	I-10 – Willcox	Western terminus
3.90	6.28	I-10 – Lordsburg, NM	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Historic routes in Arizona

Phoenix business loop

Interstate 10 Business
Location:	Phoenix, Arizona
Existed:	????–c. 1990^[11]

Interstate 10 Business (Phoenix) was a business loop of I-10 at Phoenix, in Maricopa County, decommissioned circa 1990. Prior to the completion of I-10 through Phoenix, this business loop connected the eastern and western segments of the Interstate on a route through Downtown Phoenix.

Prior to its decommissioning, the route began at I-10 exit 142 (27th Avenue), heading south before turning east at Van Buren Street. At the five-legged intersection with Grand Avenue and 7th Avenue, I-10 BL began a concurrency with US 60 & US 89. This concurrency ended as I-10 BL turned right at 44th Street, heading south again before terminating at I-10 exit 153 (48th Street).^[11]

The 44th Street leg of the Phoenix I-10 BL has since been replaced by part of the Hohokam Expressway (SR 143).

Major intersections

Major highway intersections as listed shortly before I-10 BL was decommissioned in 1990. The entire route was in Maricopa County.

Location	mi	km	Destinations	Notes
Phoenix	0.00	0.00	I-10 west (Papago Freeway) – Los Angeles	Western terminus; road continued north as 27th Avenue
			I-17 (Black Canyon Freeway)
			SR 85 south (17th Avenue)	West end of overlap with SR 85
			US 60 west / US 89 / SR 93 north (Grand Avenue) / SR 85 end / 7th Avenue	East end of overlap with SR 85; eastern terminus of SR 85; west end of overlap with US 60 / US 89; southern terminus of SR 93
			US 60 east / US 89 south (Van Buren Street)	East end of overlap with US 60 / US 89
Phoenix–Tempe line			I-10 (Maricopa Freeway) – Tucson	Eastern terminus; road continued south as 48th Street
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus

New Mexico

All of the business loops within New Mexico are maintained by the New Mexico Department of Transportation (NMDOT). In New Mexico, Interstate business routes are named independently of their parent Interstate's designation with business loops of Interstate 25 (I-25) numbered between 10–19, those of I-10 between 20–29, and those of I-40 between 30–39. New Mexico business loop numbers ascend eastward and northward with gaps in numbering to allow for future designations. Within New Mexico, I-10 currently has business routes in Lordsburg and Deming.

Lordsburg business loop

Business Loop 21
Location:	Lordsburg, New Mexico
Length:	4.370 mi^[12] (7.033 km)

Business Loop 21 is a business loop of Interstate 10 at Lordsburg in Hidalgo County. The 4.4-mile (7.1 km) route, which follows the city's Motel Drive, begins at Exit 20 of I-10 west of town and ends at Exit 24 of I-10 and U.S. Route 70 (US 70) east of town.^[13] Between its termini, the route has major intersections with US 70 and New Mexico State Road 494 (NM 494).^[14]^:4

The route was originally designated as part of US 80 while a portion of the business route also conveyed US 70.^[15]

Major intersections

The entire route is in Lordsburg, Hidalgo County.

mi^[14]^:4	km	Destinations	Notes
0.000	0.000	I-10 – Willcox, AZ	Western terminus
2.067	3.327	US 70 west (Duncan Hwy.)	Begin overlay with US 70
2.135	3.436	NM 494 (Main St.)
4.370	7.033	I-10 / US 70 – Deming	Eastern terminus, end overlay with US 70
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Deming business loop

Business Loop 22
Location:	Deming, New Mexico
Length:	4.458 mi^[12] (7.174 km)

Business Loop 22 is a business loop of Interstate 10 at Deming in Luna County. The 4.5-mile (7.2 km) route begins at Exit 81 of I-10 and US 70 west of town and follows Pine Street and Motel Drive to Exit 85 of I-10, US 70, and US 180 east of town.^[16] Between its termini, the route has major intersections with US 180, NM 418, and NM 549.^[14]^:5

The route was originally designated as part of US 70 and US 80 while a portion of the business route also conveyed US 180.^[17]

Major intersections

The entire route is in Deming, Luna County.

mi^[14]^:5	km	Destinations	Notes
0.000	0.000	I-10 / US 70 – Lordsburg	Western terminus
0.543	0.874	NM 418 (S. Ninth St.)
1.230	1.979	US 180 west (S. Gold Ave.) – Silver City	Begin overlay with US 180
3.735	6.011	NM 549 (E. Pine St.)
4.458	7.174	I-10 / US 70 / US 180 east – Las Cruces	Eastern terminus, end overlay with US 180
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Texas

All of the business loops within Texas are maintained by the Texas Department of Transportation (TxDOT). Interstate 10 has four business loops in the state, each located in the far western Trans-Pecos region. Along I-10, TxDOT identifies each business route as Business Interstate 10 followed by an alphabetic suffix. Along Texas Interstates, the alphabetic suffixes on business route names ascend eastward and northward. There are gaps in the alphabetic values to allow for future system expansion. The alphabetic naming suffixes are included as small letters on the bottom of reassurance shields.

Sierra Blanca business loop

Business Interstate 10-C
Location:	Sierra Blanca, Texas
Length:	2.747 mi^[18] (4.421 km)
Existed:	1990–present^[18]

Business Interstate 10-C or Bus. I-10-C is a business loop of Interstate 10 at Sierra Blanca in Hudspeth County commissioned in 1991. The 2.7-mile (4.3 km) route follows El Paso Street beginning at Exit 105 on I-10 west of town and ending at Exit 108 on I-10 east of town.^[19] The route has one major intersection with Ranch to Market Road 1111 (RM 1111) to Cornudas and Dell City.^[20]^[21]

The road was originally designated as part of US 80 (US 80). After 1965, the road was designated Texas State Highway Loop 416, although it was signed as a business route of US 80.^[22]

Major intersections

The entire route is in Sierra Blanca, Hudspeth County.

mi^[19]	km	Destinations	Notes
0.0	0.0	I-10 – Fort Hancock, El Paso	Western terminus
1.5	2.4	RM 1111 (Archie Ave.) – Cornudas, Dell City
2.7	4.3	I-10 – Allamoore, Van Horn	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Van Horn business loop

Business Interstate 10-D
Location:	Van Horn, Texas
Length:	2.881 mi^[23] (4.637 km)
Existed:	1990–present^[23]

Bus. I-10-D in Van Horn

Business Interstate 10-D or Bus. I-10-D is a business loop of I-10 at Van Horn in Culberson County commissioned in 1991. The 2.9-mile (4.7 km) route, which follows along Ross Drive and Broadway Boulevard in Van Horn, begins at Exit 138 on I-10 west of town and ends at Exit 140B on I-10 east of town.^[24] The road has major intersections with US 90 and Texas State Highway 54 (SH 54).^[25]

The road was originally designated as part of US 80. After 1975, the road was designated Texas State Highway Loop 519, although it was signed as a business route of US 80.^[26]

Major intersections

The entire route is in Van Horn, Culberson County.

mi^[24]	km	Destinations	Notes
0.0	0.0	I-10 – Sierra Blanca, El Paso	Western terminus
2.0	3.2	US 90 / SH 54 south (Van Horn Dr.) – Valentine	Begin overlay with SH 54
2.1	3.4	SH 54 north (La Caverna St.) – Pine Springs	End overlay with SH 54
2.9	4.7	I-10 – Kent, San Antonio	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Balmorhea business loop

Business Interstate 10-F
Location:	Balmorhea, Texas
Length:	2.000 mi^[27] (3.219 km)
Existed:	1991–present^[27]

Business Interstate 10-F or Bus. I-10-F is a business loop of I-10 at Balmorhea in Reeves County commissioned in 1992. The route begins at Exit 206 on I-10 and Farm to Market Road 2903 (FM 2903, Fort Worth Street) north of town and ends at Exit 209 on I-10 and SH 17 (Main Street) east of the small community of Brogado. Although TxDOT certifies the length of the road as 2.0 miles (3.2 km), that length does not include a portion of the route concurrent with SH 17. This section brings the total length of the road to 4.6 miles (7.4 km).^[28] The junction where the road merges with SH 17 is the only major intersection between the road's termini.^[29]

The portion of Bus. I-10-F concurrent with SH 17 was formerly part of US 290 with the remainder formerly a southern extension of FM 2903.^[27]

Major intersections

The entire route is in Reeves County.

Location	mi^[28]	km	Destinations	Notes
	0.0	0.0	I-10 / FM 2903 – Kent, El Paso, Toyah	Western terminus
Balmorhea	1.9	3.1	SH 17 south (Main St.) – Toyahvale, Fort Davis	Begin overlay with SH 17
	4.6	7.4	I-10 / SH 17 – Fort Stockton, San Antonio, Saragosa, Pecos	Eastern terminus, end overlay with SH 17
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Fort Stockton business loop

Business Interstate 10-G
Location:	Fort Stockton, Texas
Length:	1.398 mi^[30] (2.250 km)
Existed:	1991–present^[30]

Business Interstate 10-G or Bus. I-10-G is a business loop of I-10 at Fort Stockton in Pecos County commissioned in 1992. The route, following the city's Dickinson Boulevard, begins at Exit 256 on I-10 and US 67 west of town and ends at Exit 261 on I-10, US 67, and US 385 east of town. Although TxDOT certifies the length of the road as 1.4 miles (2.3 km), that length does not include a portion of the route concurrent with other highways. These sections brings the total length of the road to 4.4 miles (7.1 km).^[31] Between its termini, the route has major intersections with US 285, US 385, SH 18, and FM 1053.^[32]

Bus. I-10-G was formerly designated as part of US 290.^[30]

Major intersections

The entire route is in Fort Stockton, Pecos County.

mi^[31]	km	Destinations	Notes
0.0	0.0	I-10 / US 67 – Balmorhea, El Paso, Alpine	Western terminus
1.5	2.4	US 285 north – Pecos	Begin overlay with US 285
2.2	3.5	SH 18 (N. Front St.) – Monahans
2.4	3.9	US 385 south (N. Jackson St.) – Marathon	Begin overlay with US 385
2.5	4.0	FM 1053 (N. Main St.) – Imperial
2.9	4.7	US 285 south (N. Alamo St.) – Sanderson	End overlay with US 285
4.4	7.1	I-10 / US 67 / US 385 north – Bakersfield, San Antonio, McCamey	Eastern terminus, end overlay with US 385
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

↑ Division of Design (May 7, 2012). "Highway Design Manual, Chapter 20, Index 21.2" (PDF). California Department of Transportation. p. 3. Retrieved September 9, 2014.
1 2 3 Google (September 6, 2014). "Overview of I-10 Bus., Blythe, CA" (Map). Google Maps. Google. Retrieved September 6, 2014.
↑ "Southeastern California" (Map). California Official Highway Map (PDF). Cartography by H.M. Gousha. California State Department of Public Works. 1966. Retrieved September 8, 2014.
1 2 3 4 5 6 7 8 9 10 Staff (December 31, 2012). "2012 State Highway System Log" (PDF). Arizona Department of Transportation, Multimodal Planning Division, Roadway Inventory Management Section. Retrieved September 3, 2014.
1 2 3 4 5 6 7 8 9 10 Staff (December 31, 2008). "2008 State Highway System Log" (PDF). Arizona Department of Transportation, Multimodal Planning Division, Data Bureau. Retrieved September 3, 2014.
↑ State Highway Department Road Map of Arizona (PDF) (Map). 1"=24 mi. Cartography by Rand McNally & Company. Arizona Highway Commission. 1961. p. 3. § F2. Retrieved September 7, 2014.
↑ State Highway Department Road Map of Arizona (PDF) (Map). 1"=24 mi. Cartography by Rand McNally & Company. Arizona Highway Commission. 1961. p. 4. § I6. Retrieved September 7, 2014.
↑ State Highway Department Road Map of Arizona (PDF) (Map). 1"=24 mi. Cartography by Rand McNally & Company. Arizona Highway Commission. 1961. p. 4. § I7. Retrieved September 7, 2014.
↑ State Highway Department Road Map of Arizona (PDF) (Map). 1"=24 mi. Cartography by Rand McNally & Company. Arizona Highway Commission. 1961. p. 4. § H7. Retrieved September 7, 2014.
↑ State Highway Department Road Map of Arizona (PDF) (Map). 1"=24 mi. Cartography by Rand McNally & Company. Arizona Highway Commission. 1961. p. 4. § I8. Retrieved September 7, 2014.
1 2 "Interstate-Guide: Business Route 10". AARoads' Interstate Guide. interstate-guide.com. 21 October 2013. Retrieved 8 May 2015. Alan Hamilton
1 2 Staff (March 16, 2010). "Posted Route–Legal Description; Business Loops" (PDF). New Mexico Department of Transportation, Data Management Bureau. p. 3. Retrieved September 3, 2014.
↑ Google (September 3, 2014). "Overview of Loop 21" (Map). Google Maps. Google. Retrieved September 3, 2014.
1 2 3 4 Staff (March 27, 2014). "TIMS Road Segments by Posted Route/Point with AADT Info; BL, I, ICR, IX-Routes" (PDF). New Mexico Department of Transportation, Data Management Bureau. Retrieved September 3, 2014.
↑ Official Road Map of New Mexico (PDF) (Map). Cartography by Rand McNally & Co. New Mexico State Highway Department. 1973. § J1. Retrieved September 7, 2014.
↑ Google (September 3, 2014). "Overview of Loop 22" (Map). Google Maps. Google. Retrieved September 3, 2014.
↑ Official Road Map of New Mexico (PDF) (Map). New Mexico State Highway Department. 1967. § J3. Retrieved September 7, 2014.
1 2 Transportation Planning and Programming Division. "Business Interstate Highway No. 10-C" Archived October 10, 2012, at the Wayback Machine.. Highway Designation Files. Texas Department of Transportation. Retrieved September 7, 2014
1 2 Google (September 6, 2014). "Overview of Bus.I-10-C" (Map). Google Maps. Google. Retrieved September 6, 2014.
↑ Transportation Planning and Programming Division (2014). Texas County Map Book (PDF) (Map) (2014 ed.). 1:120,000. Texas Department of Transportation. p. 15. Retrieved December 3, 2014.
↑ Transportation Planning and Programming Division (2014). Texas County Map Book (PDF) (Map) (2014 ed.). 1:120,000. Texas Department of Transportation. p. 16. Retrieved December 3, 2014.
↑ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 416". Highway Designation Files. Texas Department of Transportation. Retrieved September 7, 2014.
1 2 Transportation Planning and Programming Division. "Business Interstate Highway No. 10-D". Highway Designation Files. Texas Department of Transportation. Retrieved September 7, 2014
1 2 Google (September 6, 2014). "Overview of Bus. I-10-D" (Map). Google Maps. Google. Retrieved September 6, 2014.
↑ Transportation Planning and Programming Division (2014). Texas County Map Book (PDF) (Map) (2014 ed.). 1:120,000. Texas Department of Transportation. p. 21. Retrieved December 3, 2014.
↑ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 519". Highway Designation Files. Texas Department of Transportation. Retrieved September 7, 2014.
1 2 3 Transportation Planning and Programming Division. "Business Interstate Highway No. 10-F" Archived October 10, 2012, at the Wayback Machine.. Highway Designation Files. Texas Department of Transportation. Retrieved September 7, 2014
1 2 Google (September 6, 2014). "Overview of Bus.I-10-F" (Map). Google Maps. Google. Retrieved September 6, 2014.
↑ Transportation Planning and Programming Division (2014). Texas County Map Book (PDF) (Map) (2014 ed.). 1:120,000. Texas Department of Transportation. p. 40. Retrieved December 3, 2014.
1 2 3 Transportation Planning and Programming Division. "Business Interstate Highway No. 10-G" Archived October 10, 2012, at the Wayback Machine.. Highway Designation Files. Texas Department of Transportation. Retrieved September 7, 2014
1 2 Google (September 6, 2014). "Overview of Bus.I-10-G" (Map). Google Maps. Google. Retrieved September 6, 2014.
↑ Transportation Planning and Programming Division (2014). Texas County Map Book (PDF) (Map) (2014 ed.). 1:120,000. Texas Department of Transportation. p. 81. Retrieved December 3, 2014.

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