This article about extending Town Lake Trail certainly bares on downtown-ish development:
http://www.statesman.com/life/content/life/stories/health/10/02/2fitcity.html
The article discusses finishing the 1.25 mile gap along the south edge of the trail, where one must run or ride on the sidewalks along Riverside.
If this is indeed to be finished, look for development interest for high-rises to push decisively into E. Riverside. There are already a few projects that are on the table for that area, but by connecting the trail along the lake, that'll really generate more interest in the longterm. No doubt, that area needs it too!
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