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Photo: Orion I

4915-series
Bus #4923 (ex-Pace 2119) at Jackson and Michigan working route #X28 Stony Island Express on June 10, 2005.

Bus #4923 (ex-Pace 2119) at Jackson and Michigan working route #X28 Stony Island Express on June 10, 2005.

Photo by Kevin Zolkiewicz.
Attribution-Noncommercial License.