You might start preplanning on how it would be done with Greyhound Bus.
TSA is already doing this at bus stations: http://www.shtfplan.com/headline-news/the-new-greyhound-metal-detectors-scanners-pat-downs-introduced-at-bus-terminals_12022010
And the TSA has already put up highway roadblocks to do their searches: http://www.ajc.com/news/feds-involved-in-major-643211.html
The ‘TSA search’ campaign would be extended to sports stadiums, labeled “sports and general aviation industries” in the press release, as well as businesses and communities in general...http://www.webnewsjax.com/?p=131