In response to motorists’ complaints and low use of the controversial Richmond-San Rafael Bridge bike lane, officials are moving the barrier to open up the third lane on most weekdays for emergency ...

Although the practice of using a concrete barrier down the center of a roadway to separate opposing traffic dates back to the mid-1940s, the practice seems really to have gained steam when, in 1955, ...

Ever noticed those 8-to-20-foot-high concrete walls that stretch almost endlessly along busy patches of highways? They may seem like barriers meant to prevent your car from careening uncontrollably ...