The chief judges of the Twelfth Judicial District General District Court and the Twelfth Judicial District Juvenile and Domestic Relations District Court may, in the interest of justice and by order, designate one or more of the courtrooms of the Colonial Heights General District Court or Colonial Heights Juvenile and Domestic Relations District Court as the courtroom or courtrooms in which civil or criminal cases whose proper, preferred, or permissible venue is laid within Chesterfield County are to be tried. With respect to such orders, in case of conflict between the provisions of this section and other provisions outside this section relating to venue in cases heard by the judges of general district courts and juvenile and domestic relations district courts, all such other provisions are hereby superseded.