The raised reflective dot on a highway are called Botts dots.
There are 123,000,000 cars being driven on highways in the U.S.
Ninety percent of NYC cabdrivers are recently arrived immigrants.
The orange vest that highway workers ( & crossing guards) wear are called Retro-reflective or International orange.
Interstate numbers:
Odd numbers run north & south
Even numbers, east & west
Three digit numbers beginning with an even number are beltways
Three beginning with odd numbers are bypasses or spurs.
There are 123,000,000 cars being driven on highways in the U.S.
Ninety percent of NYC cabdrivers are recently arrived immigrants.
The orange vest that highway workers ( & crossing guards) wear are called Retro-reflective or International orange.
Interstate numbers:
Odd numbers run north & south
Even numbers, east & west
Three digit numbers beginning with an even number are beltways
Three beginning with odd numbers are bypasses or spurs.