Interstate 73

Interstate 73 is an intrastate interstate highway currently located entirely within the state of North Carolina. Its southern terminus is at Candor, North Carolina at an intersection with U.S. Highway 220; its northern terminus is at Greensboro, North Carolina at an intersection with Interstate 40 and Interstate 85.

On February 11, 2005, the North and South Carolina Departments of Transportation came to an agreement over where I-73 (and I-74) would cross the state line. I-73 was shifted slightly east, from the former plans to put it at US 1 southwest of Rockingham, North Carolina, to the NC 38/SC 38 crossing south of Hamlet, North Carolina. I-73 and I-74 would merge somewhere along the existing freeway southeast of Rockingham.[1] (http://www.myrtlebeachonline.com/mld/myrtlebeachonline/news/local/10883145.htm)

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Eventually, I-73 is supposed to stretch from Michigan to Myrtle Beach, South Carolina, once construction is complete. In South Carolina, the highway will be parallel to U.S. Highway 501 and U.S. Highway 1. In North Carolina, I-73 replaces US 1 around Rockingham, North Carolina, U.S. Highway 220 between Rockingham and Greensboro, NC 68 around Greensboro, and US 220 between Greensboro and the border with Virginia. In Virginia, I-73 will replace US 220 between the border with North Carolina and Roanoke, Virginia at I-81, overlap a part of I-81, and replace U.S. Highway 460 along a proposed "smart road".
In West Virginia, I-73 will follow U.S. Highway 52 between Bluefield, West Virginia and Huntington, West Virginia along the proposed King Coal Highway. In Ohio, I-73 will parallel US 52 between Huntington, West Virginia and Portsmouth, Ohio and U.S. Highway 23 between Portsmouth, Ohio and Toledo, Ohio via Columbus, Ohio. Finally, in Michigan, I-73 will replace U.S. Highway 223 and U.S. Highway 127 via Adrian, Michigan, Jackson, Michigan, Lansing, Michigan, Mount Pleasant, Michigan, and Grayling, Michigan, where the highway will end.
Originally, I-73 was to start at Charleston, South Carolina.
All studies for I-73 in Michigan have halted.

edit (http://www.biocrawler.com/w/index.php?title=Template:Interstates&action=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