The google map below shows the spot where the pipeline exploded.  It also shows the asphalt patches placed on the street surface by a San Francisco firm (D’Arcy and Harty) after it completed sewer work in May 2008.

Before a contractor digs in the street, PG&E is supposed to mark on the street with spray paint the location of its gas

Hearing about the San Bruno explosion brought back memories of another PG&E explosion that killed two, injured three others, and destroyed an apartment building in Santa Rosa.  In fact, the Wall Street Journal even mentioned that explosion in its article discussing the San Bruno blaze.

I spent 4 years prosecuting the case against PG&E on behalf