Q In the past few years the freeway bridge over St. Joseph's trailhead to Rancho San Antonio in Los Altos on Interstate 280 has sunk. Bone rattling jolts are every day occurrences to thousands of drivers. Southbound, it's a good thing a call box is located just a few hundred yards from this dangerous grade separation. In just a few weeks I saw three cars with flat tires making calls for help at that box alone.

The bumpity bump, double whammy, rock-em-sock-em jolt or whatever you want to call the effect this bridge has on every passing vehicle may soon be the cause of a serious but preventable bang-ding-ow. This is a hazard. Can something be done?

Joseph Kleitman

Los Altos Hills

A And ...

Q Have you heard from anyone else about this?

Matt Elgin

Palo Alto

A Hah! This bumpity bump, double whammy, rock-em-sock-em jolt has surprised many others.

Q This overpass on 280 has risen to such an extent that I'm treated to a loud bang and my entire car skips and shudders when I cross it. Considering that I drive an SUV with some pretty large tires, I can only imagine what it must feel like in a smaller car -- and what damage it must be doing.

Mike Guthrie


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A Memo to Mrs. Roadshow, this stretch is now off limits for our Prius.

Q The expansion area of the overpass has either sunken or raised to the degree that it's about a 2-inch lip. Smacking this at 65 mph produces a severe shock to my car, and watching other motorists pass over it causes them sometimes to swerve, other times to brake and at all times to ponder the damage to their vehicle or simply to wonder what the hell was that.

Paul Schumacker, Craig Emery, Kevin Collopy, E. Mendez and zillions more

A After weeks of badgering, Caltrans says repairs will come sometime next year. The sooner the better. Until then be careful when driving 280 north of Foothill Expressway where the bridge is settling.

Q Is it me or are there an absurd number of electric vehicles with Clean Air Vehicle decals but no license plates on. The DMV requires one before they can even apply for the stickers, but these owners disdainfully ride in the carpool lanes with their stickers while us slobs wonder why they think they don't need their proper plates?

Frank Toy

San Jose

A I have not noticed this, but ...

Q There was an interesting comment on the Burlingame Voice that mentioned never seeing front license plates on Teslas. Now I notice this all the time. Is there an exception for this model?

Pete Garrison

Burlingame

A No.

Q How many California license plates were issued between 6AAA000 and 7AAA000, and how long did it take to go from the 6 to 7 series?

Robert Benjamin

A It took 5 years and 8 months for the 6 series to run out. There are approximately 2,443,000 plates in this series.

Look for Gary Richards at Facebook.com/mr.roadshow or contact him at mrroadshow@mercurynews.com or 408-920-5335.