San Jose Mayor Matt Mahan, Councilmember Michael Mulcahy and several city transportation workers gathered recently to cut the ribbon on Katherine Court, a 500-foot stretch of road in the city’s Rose Garden neighborhood next to Interstate 880. Admittedly, a ribbon-cutting for a small residential street is a little weird, and Katherine Court isn’t new — it’s been on the maps for more than a century.

But it’s been given new life thanks to an innovative, first-of-its kind project.

You see, Katherine Court is part of the 0.2% of San Jose’s 2,500 miles of streets not paved with asphalt. It was paved entirely with concrete, and the last time that happened may have been in late 1929 or 1930, according to a Mercury Herald article I found.

Asphalt streets need to be resurfaced every 10 to 20 year

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