Officials in San Francisco say it could take weeks, if not months, to fully repair a sinkhole that opened up early yesterday morning. Earlier this year, an overpass caught fire and collapsed in Philadelphia and crews were able to reopen it in 12 days.

Meanwhile, it took crews in San Francisco six years to complete improvements on Van Ness. Why do construction repairs in the Bay Area seem to take so long?

For more, KCBS Radio's Bret Burkhart and Patti Reising spoke with KCBS insider Phil Matier.