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In 2001 a cost analysis survey was conducted to build a 233km circumferencetunnel in northern Illinois in which to build a Very Large Hadron Collider. Tenyears later I have reexamined the proposal, taking into consideration thetechnological advancements in all the aspects of construction cost analysis. Ioutline the implementations of $e^+ e^-$, $p{\bar{p}}$, and $\mu^+\mu^-$collider rings in the tunnel using 21${\rm{st}}$ century technology. The$e^+e^-$ collider employs a Crab Waist Crossing, ultra low emittance dampedbunches, 12 GV of superconducting RF, and 0.026 Tesla low coercivity grainoriented silicon steel/concrete dipoles. The $p{\bar{p}}$ collider uses thehigh intensity Fermilab $\bar{p}$ source, exploits high cross sections for$p\bar{p}$ production of high mass states, and uses 2 Tesla ultra low carbonsteel/YBCO superconductor magnets run with liquid neon. The $\mu^+\mu^-$ ringramps the $p{\bar{p}}$ magnets at 8 Hz every 0.4 seconds, uses 250 GV of SRF,and mitigates neutrino radiation with a phase shifting roller coaster FODOlattice. Such colliders could provide the means necessary for Chicago, and moreimportantly America, to stay relevant and competitive in the internationalmarketplace of particle physics.

A 233 km Circumference Tunnel for $e^+$$e^-$, $p$$\bar {p}$, and $\mu^{+} \mu^{-}$ Colliders