Editing Blue Line (CTA) (section)

== Accidents and incidents ==
* On July 11, 2006, a derailment caused a smoky fire in the Blue Line's Milwaukee-Dearborn Subway. There were injuries from [[smoke inhalation]], but no fatalities. The comparatively minor incident prompted heavy news coverage and a temporary stoppage of Chicago subway service because it occurred hours after [[2006 Mumbai train bombings|train bombings in Mumbai]] earlier the same day.<ref>{{Cite web |last=National Transportation Safety Board |date=September 11, 2007 |title=Railroad Accident Report: Derailment of Chicago Transit Authority Train Number 220 Between Clark/Lake and Grand/Milwaukee Stations, Chicago, Illinois, July 11, 2006 |url=https://www.ntsb.gov/investigations/AccidentReports/Reports/RAR0702.pdf}}</ref>
* On September 30, 2013, two Blue Line trains collided at {{cta|Harlem|Blue|Congress}} (Congress branch), injuring 33 people, after an outbound train was hit by an out-of-service train going the opposite direction on the same track. Earlier, the train had arrived at Forest Park, and went out of service. However, after the train pulled into the Desplaines Yard, it was left on. There were no passengers on the out-of-service train; the number of workers on it at the time of the crash was also an unknown. Also unknown was the total number of passengers on the outbound, in-service train. The investigation started shortly thereafter. Though service soon went back to normal, trains did not stop at the Harlem station until the late evening on Tuesday, October 1, 2013, to avoid interference with the scene and congestion.<ref>{{cite news| url=http://www.chicagotribune.com/news/local/breaking/chi-two-cta-trains-crash-on-blue-line-in-forest-park-20130930,0,1375440.story | work=Chicago Tribune | first=Jon | last=Hilkevitch | title=CTA: Video shows no one at controls of train before collision – chicagotribune.com}}</ref><ref>{{Cite web|url=https://www.huffingtonpost.com/2013/09/30/cta-blue-line-trains-coll_n_4016371.html|title = 2 CTA Blue Line Trains Collide, Dozens Sent to Hospital|website = [[HuffPost]]|date = 30 September 2013}}</ref> The [[National Transportation Safety Board|NTSB]] concluded that the probable cause was water in the control cables and insufficient securing of unattended equipment.<ref>{{cite web |title=Railroad Accident Brief: Collision of Two Chicago Transit Authority Trains |url=https://www.ntsb.gov/investigations/AccidentReports/Pages/RAB1502.aspx |publisher=National Transportation Safety Board |access-date=18 March 2020}}</ref>
* In the early morning hours of March 24, 2014, a Blue Line train [[O'Hare station train crash|derailed at O'Hare]] at the end of its run. Initial reports said that 32 passengers on the train were injured, but none of the injuries were considered life-threatening.<ref>{{Cite news|url=http://galleries.apps.chicagotribune.com/chi-blue-line-train-crash-ohare-photos-20140324/|title = Blue Line train crashes at O'Hare|newspaper=[[Chicago Tribune]]|location=[[Chicago]]}}</ref> The station reopened on Sunday, March 30, 2014, at 2:00&nbsp;p.m.<ref>{{cite news| url = https://abc7chicago.com/archive/9485216/| title = CTA Blue Line O'Hare stop reopens Sunday following derailment {{!}} ABC7 Chicago {{!}} abc7chicago.com – ABC7 Chicago}}</ref>
* On April 10, 2019, a Blue Line train derailed in the tunnel near [[O'Hare station]].<ref>{{Cite news|url=https://abc7chicago.com/cta-blue-line-service-resumes-after-train-derails-between-ohare-rosemont;-1-injured/5242543/|last=Cauguiran|first=Cate|work=[[ABC News (United States)|ABC News]]|publisher=[[ABC Owned Television Stations]]|location=[[Chicago]]|title = CTA Blue Line service resumes after train derails between O'Hare, Rosemont; 1 injured|date = 11 April 2019}}</ref><ref>{{Cite news|url=https://chicago.cbslocal.com/2019/04/11/cbs-2-exclusive-human-error-to-blame-for-cta-blue-line-derailment-cta-workers-union-says/|title=Human Error to Blame for CTA Blue Line Derailment, CTA Workers Union Says|last=Hickey|first=Megan|work=[[CBS News]]|location=[[Chicago]]|publisher=[[CBS News and Stations]]|date=11 April 2019}}</ref>
* On September 2, 2024, four people were killed in a [[2024 Chicago train shooting|mass shooting]] on a Blue Line train as it traveled between the [[Oak Park station (CTA Blue Line)|Oak Park]] and [[Harlem station (CTA Blue Line Forest Park branch)|Harlem]] stations. The gunman was arrested after boarding the [[Pink Line (CTA)|Pink Line]].<ref name="hilkevitch"/><ref>{{Cite news |last=Kaufman |first=Elyssa |last2=Feurer |first2=Todd |last3=Rezaei |first3=Asal |date=September 2, 2024 |title=4 people shot and killed on Chicago-area Blue Line train, suspect in custody |url=https://www.cbsnews.com/chicago/news/shots-fired-at-chicago-areas-forest-park-blue-line/ |access-date=September 3, 2024 |work=[[CBS News]]}}</ref>