The chase ended in a dead-end in Dallas, where the suspect's vehicle was struck by a police unit as he attempted to turn around. A late-night police chase that began in Grand Prairie and reached speeds of 110 mph ended in Dallas early Friday morning, Grand Prairie police said. What we know:The incident began just after midnight when Grand Prairie police attempted a traffic stop on Interstate 30. The driver refused to stop, initiating a high-speed pursuit eastbound on I-30, leaving Grand Prairie. The chase concluded on East Neely Street in Dallas, where the driver turned into a dead-end.