Numbers Builder Built Model Notes 500- 544 Optima 2006 Opus small buses/retired 600- 605 Proterra 2020 BE40 battery electric 606- 622 Proterra 2021 ZX5-40 battery electric 700- 701 New Flyer 2014 XE40 battery electric 800- 809 New Flyer 2007 DE40LF hybrid/retired 900- 909 New Flyer 2007 DE40LF hybrid/retired 1000-1429 New Flyer 2006 D40LF 1430-1629 New Flyer 2007 D40LF 1630-2029 New Flyer 2008 D40LF 4000-4149 New Flyer 2008 DE60LF articulated/hybrid 4150-4207 New Flyer 2009 DE60LF articulated/hybrid 4300-4332 New Flyer 2012 DE60LFR articulated/hybrid 4333-4399 New Flyer 2013 D60LFR articulated 6400-6549 Nova 2000 TL40102A 6550-6883 Nova 2001 TL40102A 7500-7725 NABI 2003 60-LFW articulated/retired 7900-7901 Nova 2013 TL40102A 7902-7999 Nova 2014 TL40102A 8000-8199 Nova 2015 TL40102A 8200-8324 Nova 2016 TL40102A 8325-8349 Nova 2018 TL40102A 8350-8449 Nova 2022 TL40102A 8450-8649 Nova 2023 TL40102AAll buses are 40 feet long, except buses identified as articulated at 60 feet long, and 500-544 at 30 feet long. All buses are 102 inches wide except for 500-544, at 96 inches wide.
All buses are air conditioned, low floor, and wheelchair accessible.
Buses 7500-7725 were removed from service in early 2009 due to structural problems, and in 2013 CTA was permitted to sell the buses for scrap.
Buses 4000-4149 were originally ordered by Seattle Metro.