Interstate 37

Interstate 37 is an intrastate interstate highway located within the state of Texas, United States. Its southern terminus is in Corpus Christi, Texas at United States Highway 181; 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.

Length

None

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.

edit Primary Interstate Highways
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 Interstate Highways
A-1	A-2	A-3	A-4	PRI-1	PRI-2	PRI-3
Lists Two-digit Interstates – Three-digit Interstates Gaps in Interstates – Intrastate Interstates Interstate standards – Proposed Interstates