Drivers across parts of Texas are beginning to see electronic speed limit signs capable of changing in real time, marking a ...

FRESNO, Calif. (KFSN) -- An ABC30 viewer sent in the following question: are speed limits posted on yellow signs enforceable? "It's merely an advisory sign. It's a suggested speed that the engineers ...

A variable speed limit system changes the max speed limit throughout the day. Instead of a static limit, it's based on road conditions and time of day.

ASHEVILLE - Today, a reader asks: Why even post speed limit signs if nobody is going to follow them? Curious about something? Email the newsroom at [email protected]. Your question and answer ...

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts ...