Coming decomissionings/MO 141 extension in St. Louis County

[Revive 755]

http://www.stltoday.com/news/local/metro/st-louis-county-modot-swap-responsibilities-for-some-roads/article_631cbbec-32b4-56ba-ba5b-498583c0eac6.html

Highways being turned over/decommissioned:

* Rte HH
* Spur 180
* Rte AC (north of US 67 only)
* Rte JJ

MoDOT gets the Earth City/Maryland Heights/Page - Olive Connector corridor from MO 340 to MO 370 - 99% likely that the MO 141 designation will be extended over these roads.