Discuss the Viaduct and other Seattle issues on Google Groups (read & post),
mark "Search only in seattle.politics" button, enter "viaduct" to search only for viaduct messages in seattle.politics
Caution: Google Groups is a massive internet public message system. Adult language and topics may be found in many areas, including seattle.politics. Please learn to use the Google filter system while browsing groups - read the Google Help. Or do not visit Google Groups.
The Seattle Post-Intelligencer newspaper also maintains a discussion forum - choose a topic (viaduct topic may be found in General News).