Interstate 37

Interstate 37 Main route of the Interstate Highway System in Texas
Length:	143.00 mi[1] (230.14 km)
Formed:	1959[2]
South end:	US 181 at Corpus Christi, TX
Major junctions:	I-10 in San Antonio, TX
North end:	I-35/US 281 in San Antonio
Highways in Texas < SH 36 SH 37 >

Interstate 37 (abbreviated I-37) is an intrastate interstate highway located within the state of Texas, United States. Its southern terminus is in Corpus Christi, Texas, at US 181 and SH 35; its northern terminus is in San Antonio, Texas, at Interstate 35, where the road turns into US 281, continuing to northern San Antonio as a major freeway.

Route description

I-37 ends at the only place in the country where an interstate, US highway, and a state highway terminate simultaneously, in Corpus Christi, TX.

History

I-37 in San Antonio is designated the Adams Freeway, after World War II veteran Lucian Adams. Adams is a native of Port Arthur, and received the Medal of Honor for his service in France, along with the Bronze Star and Purple Heart for his gallantry during the Cassino Campaign.

Interstate 37 was also requested by the Illinois Department of Transportation for a road from Lincoln, Illinois north to Morton, Illinois in 1990. This was denied on December 7, 1990 by the American Association of State Highway and Transportation Officials (AASHTO). On June 9, 1991, AASHTO approved Interstate 155 for the new route.^[4]

Exit list

County	Location	# Mile	Destinations	Notes
Nueces	Corpus Christi		US 181 / SH 35 – Portland
		1A	Buffalo Street, City Hall	Southbound only
		1B	Brown Lee Boulevard, Port Avenue	Northbound only
		1C	SH 286 (Crosstown Expressway)
		1D	Port Avenue, Brown Lee Boulevard, Port of Corpus Christi	Southbound only
		1E	Lawrence Drive, Nueces Bay Boulevard
		2	Up River Road
		3A	Navigation Boulevard
		3B	McBride Lane, Lantana Street	Northbound only
		4	SH 44 / SH 358 – Corpus Christi International Airport, Padre Island	Northbound only
		4A	SH 358 – NAS Corpus Christi, Padre Island, Corpus Christi International Airport	Southbound only
		4B	Lantana Street, McBride Lane	Southbound only
		5	Corn Products Road
		6	Southern Minerals Road
		7	Tuloso Road, Suntide Road, Clarkwood Road
		9	FM 2292 (Rand Morgan Road) / Up River Road
		10	Carbon Plant Road
		11A	FM 3386 (McKinsey Road)
		11B	FM 24 (Violet Road) / Hart Road
		13A	FM 1694 (Callicoatte Road)
		13B	Sharpsburg Road	Northbound only
		14	US 77 south / Red Bird Lane – Kingsville
		Begin / concurrency
		15	Sharpsburg Road, Red Bird Lane
		16	Nueces River Park
San Patricio		End / concurrency
		17	US 77 north – Victoria, Sinton, Odem
		20	Cooper Road
	Edroy	22	Image:Texas FM 796.svg SH 234 / FM 796 – Edroy, Odem
		31	SH 188 – Sinton, Rockport
	Mathis	34	SH 359 west
		36	SH 359 east – Skidmore
Live Oak		40	Image:Texas FM 888.svg FM 888
		47	Image:Texas FM 534.svg FM 534 / FM 3024 – Swinney
		51	Hailey Ranch Road
		56	US 59 – George West, Beeville
		59	Image:Texas FM 799.svg FM 799
	Oakville	65	FM 1358 – Oakville
		69	SH 72 – Three Rivers, Kenedy
		72	US 281 south – Three Rivers, Alice
		76	US 281 Alternate / FM 2049 – Whitsett
		83	FM 99 – Whittsett, Karnes City, Peggy
Atascosa		88	FM 1099 to FM 791
		92	US 281 Alternate – Campbellton, Whitsett	Southbound only
		98	FM 541 – McCoy, Poth
		103	US 281 north – Pleasanton	Northbound only
		104	Spur 199 / Leal Road	Southbound only
		106	Coughran Road
		109	SH 97 – Pleasanton, Floresville
		113	FM 3006
		117	FM 536
Bexar		120	Hardy Road
		122	Priest Road
		125	Loop 1604 (Anderson Loop) – Elmendorf
		127	San Antonio River Turnaround, Lake Brauning
	San Antonio	130	Southton Road, Donop Road, Lake Brauning
		132	US 181 south – Floresville	Southbound only
		133	I-410 (Connally Loop) / US 281 – San Antonio
		Begin / concurrency
		135	Loop 13 (Military Drive) – Brooks City-Base
		136	Pecan Valley Drive
		137	Hot Wells Boulevard
		138A-B	New Braunfels Avenue, Southcross Boulevard
		138C	Fair Avenue, Hackberry Street
		139	I-10 / US 87 / US 90 – El Paso, Houston, Victoria, Del Rio
		140A	Florida Street, Carolina Street
		140B	Durango Boulevard, Alamo Dome
		141	Commerce Street, Downtown, The Alamo	Northbound only
		141A	Commerce Street, Downtown	Southbound only
		141B	Houston Street, The Alamo	Southbound only
		141C	McCullough Avenue, Nolan Street	Southbound only
		142A-B	I-35 – Austin, Laredo	142B is a left exit
US 281 continues to the north

References

Main Interstate Highways (multiples of 5 in pink)
4	5	8	10	12	15	16	17	19	20	22	24	25	26	27	29	30
35	37	39	40	43	44	45	49	55	57	59	64	65	66	68	69
70	71	72	73	74	75	76 (W)		76 (E)		77	78	79	80	81	82
83	84 (W)		84 (E)		85	86 (W)		86 (E)		87	88 (W)		88 (E)		89	90
91	93	94	95	96	97	99	(238)		H-1		H-2		H-3
Unsigned			A-1		A-2		A-3		A-4		PRI-1		PRI-2		PRI-3
Lists		Primary			Main - Intrastate - Suffixed - Future - Gaps
		Auxiliary			Main - Future - Unsigned
		Other			Standards - Business - Bypassed

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