Dhameystir weedha soo socota: Adeegga Plano wuxuu bilaabmay Abriil 30, 1972. Adeegga Quincy ee saxda ah wuxuu bilaabmay Abriil 24, 1983 iyadoo laga jawaabayo saldhigga West Quincy oo si joogto ah u go'ay daadad. Joojinta xaafadda ee Aurora, ayaa la joojiyay Abriil 28, 1985, iyadoo lagu taageerayo Naperville. Adeegii rakaabka ayaa dib loogu soo celiyay Quincy May 1, 1994, kadib markii
Daadadka weyn ee 1993-kii wuxuu baabi'iyay saldhigii asalka ahaa ee West Quincy. Tareenada "Illinois Zephyr" iyo "Carl Sandburg" waxay sii wadaan inay ka gudbaan Wabiga Mississippi si ay ugu istagaan BNSF West Quincy rail yard si ay u shaqeeyaan inta u dhexeysa.