Interstate 410

This article is about the only Interstate currently numbered 410. For former routes numbered 410, see Interstate 410 (disambiguation).

Interstate 410
Connally Loop
Route information
Maintained by TxDOT
Length:	49.49 mi (79.65 km)
Existed:	1959 – present
Major junctions
Beltway around San Antonio
	I-10 US 87 US 90 US 281 I-35 I-37
Highway system
Interstate Highway System Main Auxiliary Suffixed Business Highways in Texas Interstate US State Toll Loops Spurs Park Rec FM ← I-345 I-610 →

Interstate 410 (abbreviated I-410, and colloquially called Loop 410) is a loop route of Interstate 10 around San Antonio, Texas. It is identified as Connally Loop in honor of former Texas governor John Connally. The north and west section is undergoing a major expansion from six to ten lanes (five in each direction) from Culebra Road to the I-35 interchange as well as major interchanges being renovated at Bandera Road, I-10 and San Pedro Avenue, and an interchange recently constructed at US 281 near San Antonio International Airport.

Route description

410 near the 410/281 Interchange in Uptown San Antonio

I-410's interchange with I-37 on the southeast side of San Antonio.

Interstate 410 circumnavigates the city of San Antonio, officially beginning and ending at the junction with Interstate 35 on the southwest side of the loop. There are vast differences between the northern arc and southern arc of the loop. The northern arc serves the heavily urbanized portions of San Antonio and is currently being upgraded to as many as five lanes in each direction. The southern arc resembles more of a rural interstate as it transverses for the most part undeveloped portions of San Antonio as a two lane interstate. I-410 intersects I-10 twice, I-35 twice, I-37 once, as well as U.S. Highway 90, US 281, and State Highway 151, all freeways in the San Antonio metro area with the exception of 1604, which forms a secondary loop around the city. I-410 serves San Antonio International Airport, Lackland AFB, Fort Sam Houston, South Texas Medical Center, Southwest Research Institute, and Toyota Motor Manufacturing Texas.

History

Like most cities in Texas, San Antonio was served by a loop around the city long before the arrival of the Interstate Highway System. Loop 13, although not a freeway, served in this role up until the 1950s, when many of San Antonio's freeways were constructed. The northern half of Loop 13 followed the current path of I-410 while the southern half still exists on the south side of San Antonio. Much of the freeway was proposed during the mid-1950s with construction beginning on the northwest portion of the loop near I-10. In 1960, Loop 13 from I-10 to I-35 was redesignated as Loop 410 for continuity purposes. By 1961 the freeway had been completed from I-35 on the southwest side to just east of US 281 near the airport where it continued on to the east as a 4-lane highway to I-35. By 1964 the southern arc had been extended eastward from I-35 to Roosevelt Avenue and was under construction from Roosevelt to I-35 on the east side of the city. By 1967 the eastern arc had been completed to Interstate Highway standards and the remaining portion from US 281 to I-35 on the cities north side had been completely upgraded to Interstate Highway standards, but still carried the State Loop 410 designation until 1969 when it officially became Interstate 410.

Due to the city growing primarily to the north, I-410 required upgrading along this stretch. It was expanded to six lanes in the late 1970s and early 1980s from Ingram Road to I-35 North. It was further expanded to six lanes from Ingram to Valley Hi Road in 1987. An additional westbound lane was added from I-10 West to Babcock Road in 1996.

I-410 was widened from the late 1990s through early 2010s along its entire northern arc from Culebra Road to Austin Highway, with five lanes each way and intersection upgrades at I-10 and San Pedro, and an entire new interchange at US 281, officially called the "San Antonio Web".

Exit list

Exit numbers correspond to mileage from the south junction with I-35. The entire highway is in Bexar County.

Location	mi	km	Exit	Destinations	Notes
San Antonio			1	Frontage Road
			2	FM 2536 (Old Pearsall Road)
			3A	Ray Ellison Drive	Signed as exit 3 northbound
			3B	Medina Base Road	Northbound exit is via exit 3
			4	Valley Hi Drive – Lackland AFB
			6	US 90 (Cleto Rodriguez Freeway) – San Antonio, Del Rio
			7	Marbach Road
			8	Lakeside Parkway	Southbound exit and entrance
			9A	SH 151 (Stotzer Freeway) – SeaWorld	Signed as exit 9 northbound
			9B	West Military Drive	Southbound exit and northbound entrance
			10	FM 3487 (Culebra Road)
			11	Ingram Road
			12	Exchange Parkway	Southbound exit and entrance
			13A	SH 16 north / Spur 421 (Bandera Road) – Leon Valley, San Antonio	North end of SH 16 concurrency; signed as exits 13A and 13B (north) westbound
			13B	Evers Road	Westbound exit and eastbound entrance; westbound is via exit 14A
			14A	Summit Parkway	Westbound exit and entrance
			14B	Callaghan Road	Signed as exit 14 eastbound
			14C	Babcock Road	Eastbound exit is via exit 14, access to South Texas Medical Center
			15	Loop 345 (Fredericksburg Road) – Balcones Heights	Access to South Texas Medical Center and Methodist Texan Hospital
			16	I-10 / US 87 (McDermott Freeway) – San Antonio, El Paso	I-10 exit 564
			17A	Cherry Ridge Drive	Eastbound exit and westbound entrance, westbound exit is via exit 17
			17B	Vance Jackson Road	Signed as exit 17 westbound
Castle Hills			18	Jackson-Keller Road, West Avenue
			19A	Honeysuckle Lane	Eastbound exit is via exit 18
			19B	FM 1535 (Military Highway) – Castle Hills	Signed as exit 19 eastbound
			19	FM 2696 (Blanco Road)	Westbound exit is via exit 20A
San Antonio			20A	Spur 537 north (San Pedro Avenue)	Signed as exit 20 eastbound
			20B	McCullough Avenue	Eastbound exit is via exit 20
			21A	US 281 (McAlister Freeway) – Johnson City, Downtown	"San Antonio Web", fully opened June 9, 2008
			21	Airport Boulevard, Wetmore Road – Int'l Airport	Signed as exit 21B eastbound
			22	Broadway	No eastbound entrance
			23	Nacogdoches Road	No westbound entrance, westbound exit is via exit 24
			24	Harry Wurzbach Road – Fort Sam Houston
			25A	Starcrest Drive	Signed as exit 25 eastbound, access to Northeast Baptist Hospital
			25B	FM 2252 (Perrin-Beitel Road)	Eastbound exit is via exit 25
			26A	Loop 368 south – Alamo Heights	Signed as exit 26 westbound
			26B	Interchange Parkway, Perrin Creek Drive	Eastbound exit and westbound entrance
			27	I-35 north (Pan Am Expressway) – Austin	North end of I-35 concurrency; signed as exit 166 northbound; freeway assumes I-35's exit numbers
			166A	Randolph Boulevard – Windcrest	Northbound exit and westbound entrance
			165	FM 1976 (Walzem Road)
			164B	Eisenhauer Road
			164A	Rittiman Road
			163	I-35 south (Pan Am Expressway) – Downtown	South end of I-35 concurrency; southbound exit and northbound entrance
			30	Space Center Drive	Northbound exit and entrance
			30	Binz-Engleman Road	Southbound exit and northbound entrance
			31A	FM 78 – Kirby	Signed as exit 32 northbound
			31	I-35 south (Pan Am Expressway) / Binz-Engleman Road – San Antonio	Northbound left exit and southbound entrance
			31B	Loop 13 (W.W. White Road)	No northbound exit
			32	Dietrich Road	Southbound exit only
			33	I-10 (Lopez Freeway) / US 90 / SH 130 north – Downtown San Antonio, Houston	North end of SH 130 concurrency; I-10 exit 581
			34	FM 1346 (East Houston Street)
			35	US 87 (Rigsby Avenue) – Victoria, La Vernia
			37	Southcross Boulevard/New Sulphur Springs Road, Sinclair Road
			39	Spur 117 (W.W. White Road)
			41	I-37 / US 281 north (Adams Freeway) – San Antonio, Corpus Christi	East end of US 281 concurrency; I-37 exit 133, access to Mission Trail Baptist Hospital
			42	Spur 122 (South Presa Street) / Southton Road
			43	Espada Road – San Antonio Missions National Historical Park	Westbound exit is via exit 44
			44	US 281 south / Spur 536 (Roosevelt Avenue) – Pleasanton	West end of US 281 concurrency
			46	Moursund Boulevard
			47	Turnaround	East exit and west entrance
			48	Zarzamora Street
			49	SH 16 south (Palo Alto Road) / Spur 422 (Poteet-Jourdanton Freeway) – Poteet	East end of SH 16 concurrency
			51	FM 2790 (Somerset Road)
			53	I-35 (Pan Am Expressway) – San Antonio, Laredo	South end of SH 130 concurrency; I-35 exit 145A
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus       Incomplete access