Listen Feed Genre Listeners Player Selection Links Status CTA Rail Ops - Chicago Transit Authority



Monitoring all CTA rail operations. Red, Blue, Pink, Green, Orange, Purple, and Yellow Lines, as well as Rail Emergency/Power Control. Rail

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Feed Notes

Monitoring CTA rail operations:

Rail Emergency/Power Control (Ch. 2, 470.9875MHz)

Blue and Pink Line Ops (Ch. 5, 471.0375MHz)

Green and Orange Line Ops (Ch. 6, 471.0625MHz)

Brown, Purple and Yellow Line Ops (Ch. 7, 471.0875MHz)

Red Line Ops (Ch. 8, 471.1125MHz)

You can listen to this feed to hear more information about the cause of CTA train delays.

CTA 10 Codes:

10-1 Receiving poorly

10-2 Receiving well

10-3 Stop transmitting

10-4 Message received and understood

10-7 Unit out of service

10-8 Unit in service

10-10 Police needs assistance

10-20 What is your location?

10-21 Call by telephone

10-25 Dirty vehicle

10-31 ATC bypass operation authorized

10-32 Stem bypass operation authorized

10-33 PCR bypass operation authorized

10-40 Radio check

10-41 Unauthorized switch

10-42 Abandoned bus

10-49 Check farebox

10-50 Make special service check

10-51 Go to location and assist as appropriate

10-52 Manpower shortage, runs held in (buses)

10-53 Use appropriate service restoration technique

10-55 Inspect all viaducts in district, check sewer covers

10-56 Bus equipment shortage, runs held in

10-57 Rail car shortage

10-58 Trip annulled (rail) 10-59 Salt over/underpasses, bridge approaches, etc.

10-60 Check employee

10-61 Employee injured

10-62 Employee sick

10-63 Other person sick or injured

10-65 Switch to alternate channel

10-68 Repeat message

10-71 Collision of CTA vehicle with fixed object

10-72 Collision of CTA vehicle with a person

10-73 Collision of CTA vehicle and other vehicle

10-74 Collision of CTA vehicles

10-75 Derailment

10-77 Have crew make announcement

10-80 Fire

10-82 Police assistance required

10-83 Throwing at bus or train

10-84 Assist with fare dispute

10-86 Disturbance in progress

10-87 If train is standing in station, remain standing

10-87 Train between stations stop outside next station

10-88 Alarm: bus, train or station

10-90 Bomb threat

10-91 Weapon threat

10-99 Dire emergency, stop all other radio transmissions

Source: "Scanner Master Chicagoland Pocket Guide", edited by Richard A. I. Carlson and Ted Moran.

Audio from a Uniden scanner with an external antenna, located just outside of downtown Chicago.



