Business routes of Interstate 35

There are thirteen business routes of Interstate 35: nine (plus two former business routes) are in Texas, two are in Iowa, and two are in Minnesota.

Texas

Laredo business spur

Business Spur 35 in Laredo, Texas, inventoried by TxDOT as Business Interstate Highway No. 35-A,^[1] has a "dangling end", running from the end of the I-35 to the downtown area in Laredo and into Gateway to the Americas International Bridge, continuing south as Mexico Federal Highway 85. The route is 3.4 miles (5.5 km) long.

In Laredo, I-35 Business runs from its junction with I-35 southward along San Bernardo Ave to Houston St; thence westward along Houston St to Salinas Ave; thence southward along Salinas Ave to the U.S. Customs Port-of-Entry; thence northward along Convent Ave to Matamoros St; and thence eastward along Matamoros St to the junction of I-35 and US 83.

Travelers going south on I-35 in Laredo can take one of two toll international bridges across the Rio Grande and the Mexican border—straight ahead into Juarez-Lincoln International Bridge, or via I-35 Business through downtown Laredo into Gateway to the Americas International Bridge.

Encinal business loop

Business Loop 35 in Encinal is inventoried by TxDOT as Business Interstate Highway No. 35-B. It is a former alignment of US 81. The route's southern terminus is at northbound I-35 exit #38, just south of the Webb–La Salle county line. It briefly travels westward, crossing under I-35, and then turns north along Main Street, paralleling the Union Pacific Railroad tracks to the west. It has an intersection with SH 44 and turns to the east, concurrent with SH 44, before ending at I-35 exit #39.^[3]

From 1977 to 1990, this route was designated Loop 532.^[4]

Cotulla business loop

Business Loop 35 in Cotulla is inventoried by TxDOT as Business Interstate Highway No. 35-C. It is routed along Main Street, which was previously US 81, and connects to I-35 at exits #65 and #69. Within the Cotulla city limits, the route intersects SH 97 and FM 468.^[6]

Dilley business loop

Business Loop 35 in Dilley is inventoried by TxDOT as Business Interstate Highway No. 35-D. It is routed along Main Street, which was previously US 81. The route's southern terminus is at I-35 exit #82; it travels northward, paralleling the Union Pacific Railroad tracks to the east. Within the Dilley city limits, the route intersects SH 85 and FM 117 before ending at I-35 exit #86.^[8]

Pearsall business loop

Business Loop 35 in Pearsall is inventoried by TxDOT as Business Interstate Highway No. 35-E.

New Braunfels business loop

Business Loop 35 in New Braunfels is inventoried by TxDOT as Business Interstate Highway No. 35-H. The highway is known locally as Elliot Knox Boulevard. The highway was designated on March 26, 1991, with the mileage being transferred from US 81.

BL 35-H begins at I-35 exit 185 and briefly runs along Schimdt Avenue, before turning onto Elliot Knox Boulevard approximately 0.2 miles (0.32 km) north of I-35. The highway runs in a generally east-west direction, passing by many residential areas. Just east of Seguin Avene, BL 35-H crosses over the Guadalupe River and briefly serves as the frontage road for southbound I-35. The highway turns towards the northeast and has an intersection with SH 46/Loop 337 before running through less developed areas of the town. BL 35-H ends at I-35 exit 190A, near Canyon High School.

Junction list

The entire route is in New Braunfels, Comal County.

mi[11]	km	Destinations	Notes
0.0	0.0	I-35 – Austin, San Antonio	I-35 exit 185
2.2	3.5	Bus. SH 46 west (Seguin Avenue) / FM 725 south – Business District, McQueeney
2.4	3.9	Bridge over the Guadalupe River
3.4	5.5	SH 46 / Loop 337 – Boerne, Seguin
4.3	6.9	I-35 – Austin, San Antonio	I-35 exit 190A
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Kyle business loop

Route marker near the northern terminus of the Kyle business loop.

Business Loop 35 in Kyle is inventoried by TxDOT as Business Interstate Highway No. 35-J. It is the former alignment of US 81 through the city. The route is accessible from southbound I-35 at exit #213, which serves RM 150; the business loop designation begins along the frontage road at the end of the exit ramp. The road travels through Kyle and crosses RM 150 before once again becoming the southbound I-35 frontage road north of mile marker 213.^[13]

Round Rock business loop

Business Loop 35 in Round Rock was inventoried by TxDOT as Business Interstate Highway No. 35-L. Commissioned in 1990, it followed the previous route of US 81 along Mays Street, from Hesters Crossing Road to Old Settlers Boulevard for approximately 4.5 miles (7.2 km). The designation was cancelled in 2013, and the section north of US 79 was transferred to Spur 379.^[14][15]

Georgetown business loop

Business Loop 35 was a former business route of I-35 in Georgetown. It was inventoried by TxDOT as Business Interstate Highway No. 35-M. The route was decommissioned in July 2006.

Alvarado business loop

Business Loop 35 in Alvarado is inventoried by TxDOT as Business Interstate Highway No. 35-V. It runs along the former alignment of US 81 along Parkway Drive and is accessible from Interstate 35W at exits #24 (both directions) and #26B (southbound only). The section from US 67 to College Street is cosigned as US 67 Bus., though it is not part of that route's official designation.^[18][19]

From 1963 to 1990, the route was designated Loop 392.^[20]

Sanger business loop

Business Loop 35 in Sanger is inventoried by TxDOT as Business Interstate Highway No. 35-X. The route is a former alignment of US 77 through Sanger, and is accessible from both directions of I-35 at exit #477. The route travels north along 5th Street and crosses FM 455 before ending at the northbound I-35 frontage road near mile marker 479.^[22]

From 1960 to 1991, this route was designated Spur 138. Since 2009, that route number has been used for an unrelated route in Hunt County.^[23]

Iowa

Ames business loop

Clear Lake business loop

Minnesota

Faribault business loop

Business Loop 35 in Faribault, Minnesota, begins at the intersection of I-35 and Lyndale Avenue/County State Aid Highway 48 (CR 48) (Exit 55) to the intersection with Minnesota State Highway 60 (MN 60) and thence northerly along Minnesota State Highway 21 (MN 21), and terminates at the intersection of I-35 and MN 21 (Exit 59). The route travels south to north through the business district of Faribault, a distance of approximately 3 miles.

Pine City business loop

Business Loop 35 in Pine City, Minnesota, begins at the intersection of I-35 and County State Aid Highway 7 (Exit 169) to the intersection with County State Aid Highway 61 and thence northerly along County State Aid Highway 61, parallel to I-35, to the intersection with County State Aid Highway 11. Thence the business route extends westerly along County State Aid Highway 11 and terminates at the intersection of I-35 and County State Aid Highway 11 (Exit 171). The route travels south to north through the business district of Pine City, a distance of approximately 3 miles.

References