It appears that people in Arapahoe, Douglas, and Jefferson counties are receiving telephone calls to be on these telephone townhalls and receive information and ask questions. You should be aware of this and take the calls if you can.
There is a C-470 Corridor Coalition looking at adding lanes to C-470 from I-25 west to Wadsworth. They are discussing funding and taking some questions and comments from nearby residents. Please check out their web site at:
Wednesday, August 1 is scheduled to have these representatives available:
7:30 p.m. Douglas County Commissioner Jack Hilbert and Lone Tree Mayor Jim Gunning
E-mail inquiries may be made to: firstname.lastname@example.org
Telephone: (720) 515-C470 
Note: E-470 is covered by "Public Highway Authority"