Highway signs are very over overlooked along our roadways and not given a second glance. They are intended to guide you towards where you're going. But if it's in a location you know well, they almost certainly become background to the point when you no longer notice them.

But what if something doesn't look quite right. A sign may catch your eye and give you a double take. That's the case for the end of M-46 in Muskegon.

👇🏼BELOW: Every Interstate Highway in Michigan Has Quirks - Here They Are👇🏼

M-46 is a rare coast-to-coast highway across Michigan. The roadway spans the entire lower Peninsula east to west from Port Sanilac on Lake Huron to Muskegon on Lake Michigan - a total of 199 miles.

The highway's western end in Muskegon is an irregularity in that M-46 does not end at another state highway. Rather it ends where Apple Avenue meets Muskegon Avenue.

The dangled end of M-46 is the result of a historic highway re-routing. Muskegon Ave was once US 31 (and later US 31 Business Route) which means M-46 did once meet another signed highway at its terminus.

The former routing of US 31 through this stretch of Muskegon Avenue is noted just a block from where M-46 ends by the US-31 Bar-B-Q restaurant which has sat at the corner of Muskegon and Jefferson since 1939.

US 31 Bar-B-Q
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READ MORE: Look Close - Every Sign for This Michigan Highway Is Wrong

So what accounts for the oddity on the M-46 sign? And you do see it, right? The M as well as the numerals are just a slightly different font than what is standard. See a comparison from the westbound end sign and the first eastbound reassurance marker on Apple Avenue side by side.

M-46 Sign Comparison Muskegon
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The Ends sign shows a thinner M as well as thinner numbers that are oddly spaced. It's a quirk in Michigan's highway system. It's not the only one, but one that does catch the eye.

Every Interstate Highway in Michigan Has Quirks - Here They Are

Roads are intended to get you from here to there. And very few people think about the quirks of our interstate highway system. With being as long and as varied as it is, there is bound to be an oddity or two - and in fact, you can likely find a quirk with every interstate in Michigan. We think we have.

Gallery Credit: Eric Meier

The Only Destination For These Highways are Michigan State Parks

There are several highways in Michigan's road network that exist only to connect to state parks.

Gallery Credit: Google Maps Street View