my bet is that the infrastructure plan reduces to a tweet to ask investors to invest more in infrastructure, maybe followed by another tweet calling paul ryan some mean names for supposedly blocking it.
http://krugman.blogs.nytimes.com/2016/11/19/infrastructure-build-or-privatization-scam/
there's actually precedence for this: whenever obama was faced with doing anything complicated, he wrote a speech explaining that congress should do it.