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Interstate 69

Total length: 360 miles (579 km)
Southern terminus: Indianapolis, IN, at JCT I-465
Eastern terminus: Port Huron, MI, at Blue Water Bridge/Canadian border

States traversed & length in each:

• Indiana — 158 miles (254 km)
• Michigan — 202 miles (325 km)

Major cities along route:

• Indianapolis, IN
• Fort Wayne, IN
• Lansing, MI
• Flint, MI
• Port Huron, MI

Junctions with non-related Interstates:

• Interstate 465: Southern terminus in Indianapolis, IN
• Interstate 80: Exit 156 in Fremont, IN
• Interstate 90: Exit 156 in Fremont, IN
• Interstate 94: Exit 38 in Marshall, MI
• Interstate 96: Multiplex from MP 72 to MP 80 in Lansing, MI
• Interstate 496: I-96 Exit 95 in Lansing, MI
• Interstate 75: Exit 133 in Flint, MI
• Interstate 475: Exit 137 in Flint, MI
• Interstate 94: Multiplex from MP 199 to eastern terminus in Port Huron, MI

Related loops and spurs:

• Interstate 469 — 31 miles long; 180° loop east of I-69 around Fort Wayne, IN; termini at I-69 Exits 96 & 115

Length I’ve traveled: Entire length

Time zones:
Eastern — Entire length

Counties traversed:
Indiana — Marion, Hamilton, Madison, Delaware, Grant, Huntington, Wells, Allen, De Kalb, Steuben

Michigan — Branch, Calhoun, Eaton, Clinton, Shiawassee, Genesee, Lapeer, St. Clair

A quick hypertext drive: Except for the Indianapolis suburbs, the outskirts of Fort Wayne and Lansing, and Flint, I-69 is almost entirely four lanes, rural, and fairly flat. There is one stretch north of Fort Wayne that features rolling hills, but that’s about it.

Six-lane stretches are found around all of the cities mentioned above, with an eight-lane stretch through Flint. I-69 is notable for being an east-west route, in spite of its odd number, from Lansing to Port Huron. At one time, signage stating “I-69 NORTH BECOMES I-69 EAST” (or “WEST BECOMES SOUTH” the other way) was present at the location of this directional change northwest of Lansing, but it has been taken down.

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