UPDATE: Grant Road re-opened a couple of hours after the accident occurred, according to Tucson Police Dept.
No other information was immediately available.
Stay tuned to News 4 Tucson for updates.
Traffic is closed in both directions on Grant Road near Los Altos due to an accident with serious injuries.
The accident is involving a motorcycle and a car and reportedly has left at least the motorcyclist seriously injured
It occurred shortly after 5:30 p.m. there is no estimate as to when the road will re-open.
Stay with News 4 Tucson for updates.