Columbia subject headings:
Bus lines--Technological innovations--United States.
High occupancy vehicle lanes--United States.
Intelligent transportation systems.
Local transit--Technological innovations--United States.
Motor vehicles--United States--Automatic location systems.
Harvard subject headings:
Princeton subject headings:
Bus lines--United States--Technological innovations.
High occupancy vehicle lanes--United States.
Intelligent transportation systems--United States.
Local transit--United States--Technological innovations.
Motor vehicles--United States--Automatic location systems.