More than 100,000 diapers were used to pave the road in Wales.
Q: How successful has Caltrans been in taking recycled rubber tires and using them to pave roads? Is there anything else the state is doing in this regard?A: Oh my, yes, in a huge way. Recycling tires has helped to greatly reduce the number of tires going into California landfills, from 40 million down to 10 million a year. Recycled tires also lower pavement noise, pleasing nearby residents and drivers.But all eyes are on Wales, which is using more than 100,000 recycled diapers to pave a road.
Q: Last week Caltrans was at the Bascom Avenue exit from Interstate 880, replacing the sand barrels with a metal guardrail. Since this spot has historically been demolished by a car at least once a year, what’s the benefit of making this change?A: A lot. A guardrail is more expensive to install, but does not require constant maintenance. It also reduces the severity of crashes.
Q: Going north on Highway 101 after SFO, several on-ramps merge onto the highway in South San Francisco. This happens in a very short distance. After recent Caltrans construction work, there are now lanes that merge with absolutely no warning. Cars typically exceed the speed limit here, and this is a fatality waiting to happen. I’d hoped this situation was temporary, but it appears to be permanent. Please ask them to have engineers re-examine this debacle.
Look for Gary Richards at Facebook.com/mr.roadshow, or contact him at [email protected].
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