[1] In the years 2007 the railway line was closed down due to poor condition of the tracks.

[2] In the year 2013 the line received new stopping points, due to creation of Łódź Commuter Railway.

Since 2015 ŁKA serves passenger traffic on the entire length of railway line.

Previous operator, PolRegio, only serves a section between Zgierz and Łódź Kaliska stations.

[3] On 30 November 2018 PKP PLK and ZRK DOM signed an agreement to refurbish the railway line on the section between Łódź Kaliska and Zgierz stations, in order to increase the operational speed of the section from 80 to 120 km/h[4]