Acela Express
Although all "Northeast Regional" trains stop at Kingston, "Acela Express" trains do not. Kingston is located on one of several sections of track where the "Acela Express" is permitted to run at its top speed of . Kingston and Mansfield are the only stations where the "Acela" will pass through at full speed on tracks adjacent to platforms. Signs and automated announcements warn passengers of the potential danger. Since it is the only station between New London and Providence which can deboard passengers from "Acela" trains due to its high-level platforms, they occasionally do stop at Kingston in emergencies such as downed wires or problems with the locomotives.