A driver called police about a female drink-driver and then followed her until they arrived.
The witness was concerned after seeing Samantha Whitham hit street furniture and pursued the 46-year-old until the officers could take over.
Whitham pleaded guilty to driving whilst over the prescribed limit.
Kirklees magistrates heard that at 12.30am on July 20 the driver called police. He had spotted Whitham driving along Penistone Road at Fenay Bridge.
Andy Wills, prosecuting, said: “The witness had concerns about the manner of her driving. The vehicle had collided with various items of street furniture.
“The caller did follow the vehicle for a considerable distance and kept police constantly updated. Officers went to the location and took over the slow pursuit.”
The Huddersfield court heard that the front nearside tyre of Whitham’s VW Golf was completely devoid of tread and the vehicle was moving on its steel rim.
The officers stopped the car and Whitham, of George Street in Kirkburton, claimed she was homeless.
They could smell alcohol on her breath and arrested her. Whitham was unable to give breath samples but provided a blood sample.
This showed that she had 266 milligrammes of alcohol in 100 millilitres of blood.
The reading is more than three times the legal limit of 80 milligrammes.
Magistrates ordered a full report before sentencing her on October 14. They issued her with an interim driving ban.