he the blue miniature battery - powered atv that a 6 - year - old autistic boy drove onto the northbound ramp of the bronx river parkway near oak street in mount vernon sunday evening . officers found the boy missing to mount vernon police . ( photo : westchester county police ) an autistic 6 - year - old boy drove a miniature battery - powered atv onto the bronx river parkway and was pulled over by good samaritans on sunday night , authorities said . a 6 - year - old boy with autism is back with his family in westchester county after he was found driving a motorized toy car on the bronx river parkway over the weekend . ana rubio still gets emotional as she speaks about the little boy she held in her arms , along the bronx river parkway sunday night . " it seemed like the child wanted to continue driving , he was trying to merge on the middle lane of the highway , " rubio said . at about 7:40 p.m. , westchester county police started receiving 911 calls about the unlicensed driver traveling in his vehicle — made popular by the toy brand power wheels — on the parkway . they spotted the 6 - year - old little boy , riding a toy atv on the bronx river parkway , in the far right lane with cars whizzing by , going at least 45 mph . " he was like , ' i need to go home , mom , mom , ' all he kept saying was ' mom , ' " rubio did n't know the child but thank goodness she and several others including her husband , joel , were there to help .