Over a 60-day period starting in March, ORD staff telephoned a representative sampling of the 10.5 million drivers in New York State.
(a 60-day period; starting; T:in March) (ORD staff; telephoned; a representative sampling of the 10.5 million drivers in New York State; T:Over a 60-day period)
a 60-day period ORD staff
starting telephoned
T:in March
a representative sampling of the 10.5 million drivers in New York State T:Over a 60-day period