the boundaries of the counties for which they are respectively chosen and within one mile beyond the limits of such cities and counties. Except as hereinafter provided, each juvenile and domestic relations district court shall have, within the limits of the territory for which it is created, exclusive original jurisdiction, and within one mile beyond the limits of said city or county, concurrent jurisdiction with the juvenile court or courts of the adjoining city or county, over all cases, matters and proceedings involving: A. The custody, visitation, support, control or disposition of a child: 1. Who is alleged to be abused, neglected, in need of services, in need of supervision, a status offender, or delinquent except where the jurisdiction of the juvenile court has been terminated or divested; 2. Who is abandoned by his parent or other custodian or who by reason of the absence or physical or mental incapacity of his parents is without parental care and guardianship; 2a. Who is at risk of being abused or neglected by a parent or custodian who has been adjudicated as having abused or neglected another child in the care of the parent or custodian; 3. Whose custody, visitation or support is a subject of controversy or requires determination. In such cases jurisdiction shall be concurrent with and not exclusive of courts having equity jurisdiction, except as provided in § 16.1-244; 4. Who is the subject of an entrustment agreement entered into pursuant to § 63.2-903 or 63.2-1817 or whose parent or parents for good cause desire to be relieved of his care and custody; 5. Where the termination of residual parental rights and responsibilities is sought. In such cases jurisdiction shall be concurrent with and not exclusive of courts having equity jurisdiction, as provided in § 16.1-244; and 6. Who is charged with a traffic infraction as defined in § 46.2-100.