Business and commutes were at a standstill in the San Francisco Bay Area yesterday after an extreme fire in West Oakland put the BART (Bay Area Rapid Transit) commuter train system completely out of service between San Francisco and cities in the East Bay.... If your organization has flexible work systems in place, then a "carpocalypse" such as this won't have nearly the destructive impact that it otherwise could on your team's productivity.

http://forums.techsoup.org/cs/community/b/tsblog/archive/2012/06/15/why-your-organization-needs-telecommuting-when-the-commuter-train-shuts-down.aspx