A 60-year-old Willow woman is accused of ramming her car into a trooper vehicle.
Dona Carnahan is charged with assault, failure to stop at an officer's direction, criminal mischief, driving under the influence and possessing a weapon while intoxicated.
Troopers say Carnahan was hysterical when she called 911 early Wednesday.
Troopers say they tried to contact Carnahan, but she drove away.
According to troopers, a trooper tried to stop Carnahan, but she kept going and about two miles later spun her vehicle around and tried to ram the trooper's vehicle.
The trooper was not hurt. Troopers say Carnahan sustained minor injuries. Both vehicles were damaged.
Troopers say Carnahan was under the influence of alcohol and had a shotgun in her vehicle.