Similar idea to the Wisconsin thread. I haven't found any symbolic ones myself in the St Louis area, though I think there's at least one in the rest of the state.
Route AR in Ozark County- it is an extension of Arkansas Route 87
Axtell, MO has a Route AX–notable as the only use of X in the supplemental route system.
Route R, and two-letter designations beginning with R, are generally reserved for access roads to recreational areas. Boat docks and campgrounds and things like that.
It's not an interesting name designation, but I always thought it strange that the westernmost mile of Highway D in St Louis County is a freeway. I don't know of other letter designation freeways.
Quote from: skluth on October 03, 2021, 03:44:25 PM
It's not an interesting name designation, but I always thought it strange that the westernmost mile of Highway D in St Louis County is a freeway. I don't know of other letter designation freeways.
Not a freeway, though Jefferson County Route M between MO 21 and I-55 is an expressway, which is pretty rare with lettered routes too.
Route BA in Wildwood leads to Babler State Park.
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Route W in Jackson County is a freeway for a short distance.
https://en.wikipedia.org/wiki/Missouri_supplemental_route
There is a route BB in Hollister that ends at 65B near the bridges that cross the lake in the old part of Branson.
Wow, I thought there were only a couple double-letter designations in the whole state of Missouri consisting of two different letters! Clearly I was wrong! I have no idea where I read that.
Quote from: paulthemapguy on October 12, 2021, 09:26:09 AM
Wow, I thought there were only a couple double-letter designations in the whole state of Missouri consisting of two different letters! Clearly I was wrong! I have no idea where I read that.
Different-letter combinations starting with A or R are fairly common (A* is used when all of the single and double-same-letter combinations are exhausted). Two other letters are pretty rare.
Quote from: will_e_777 on October 06, 2021, 12:27:08 AM
There is a route BB in Hollister that ends at 65B near the bridges that cross the lake in the old part of Branson.
What is special or unique about BB?
Whenever we headed north on US 63 from Columbia (where I used to live) to visit relatives in Minnesota, I always got a kick out of the fact that at Queen City (north of Kirksville), there's a junction from which Highway W goes west and Highway E heads east.
They aren't as creative in Missouri when it comes to their lettered highways.
Quote from: ozarkman417 on October 03, 2021, 03:05:40 PM
Route AR in Ozark County- it is an extension of Arkansas Route 87
Unusual to see an Arkansas shield over a mile into another state. Makes you wonder if ARDOT provided it to Missouri.
https://goo.gl/maps/6jFRQzbdd6VAccA1A (https://goo.gl/maps/6jFRQzbdd6VAccA1A)
With the Internet, it's pretty easy these days to track down the official specs you'd need to make most any sort of sign. Contacting ArDOT might speed things along if they can provide a CAD file that is compatible with MoDOT's systems, but I don't know how compatible their CAD systems are, so that may not even be much help. Otherwise, it takes no more than an hour to confect a shield from a spec sheet (usually available somewhere on the DOT website)...and probably less than that to download the relevant shield from Wikipedia and import it into the CAD software. Once you have the design loaded into the software, there's nothing stopping you from printing an AR shield on a MO press. It's not like the old days when each state had a unique metal blank or even dies that they embossed the shield with.
Remember, DOTs like to have all that information on their site for their contractors' benefit...but anyone can pick that info up, including other DOTs...and roadgeeks!
Quote from: MikieTimT on December 06, 2021, 09:06:19 PM
Unusual to see an Arkansas shield over a mile into another state. Makes you wonder if ARDOT provided it to Missouri.
https://goo.gl/maps/6jFRQzbdd6VAccA1A (https://goo.gl/maps/6jFRQzbdd6VAccA1A)
I'm 98.5% sure this is an AHTD/ArDOT sign. It uses the same shape as the Arkansas signs, and it uses Highway Gothic B, which is used on most Arkansas state highway markers. My first thought when I saw this post was "ask Backlin for his opinion". I'm still not used to him being gone.
There used to be a MO 43 marker at the junction of AR 43 and OK 20, about 5.5 miles short of the Missouri line. The latest Street View imagery shows just an OK 20 shield. At one time, there was an AR 43 shield along with an OK 20 circle. These pictures were taken in 1999, a few days after I-540 was opened from Mountainburg to Fayetteville.
(https://live.staticflickr.com/189/489087526_ba06f674fe_o.jpg)
(https://i.imgur.com/2Zvh5iE.jpg)