Template:Green Line D timeline

<timeline> ImageSize = width:800 height:auto barincrement:14 PlotArea = left:90 right:10 bottom:45 top:10 Legend = columns:4 left:10 top:20 columnwidth:200 AlignBars = justify TimeAxis = orientation:horizontal format:yyyy DateFormat = mm/dd/yyyy Period = from:07/04/1959 till:12/31/2022 ScaleMajor = unit:year increment:5 start:01/01/1960 ScaleMinor = unit:year increment:1 start:01/01/1960

Colors =

id:all value:green legend:all_service
id:most value:rgb(0.6,1,0.6) legend:most_service
id:some value:rgb(0.8,1,0.8) legend:some_service

BarData =

bar:Union text:"Union Square"
bar:Lechmere text:"Lechmere"
bar:North text:"North Station"
bar:Scollay text:"Gov't Center"
bar:Park text:"Park Street"

PlotData=

align:center textcolor:black fontsize:XS width:10

bar:Union from:09/18/2022 till:end color:all

bar:Lechmere from:11/20/1961 till:09/10/1966 color:most #all but Sunday
bar:Lechmere from:09/10/1966 till:03/25/1974 color:all
bar:Lechmere from:01/01/1977 till:03/19/1977 color:most #all but weekends
bar:Lechmere from:06/18/1977 till:09/09/1977 color:all
bar:Lechmere from:03/21/1980 till:06/21/1980 color:all
bar:Lechmere from:04/04/1981 till:01/02/1983 color:all
bar:Lechmere from:01/02/1983 till:03/26/1983 color:some #all but middays and rush hours
bar:Lechmere from:03/26/1983 till:01/20/1984 color:most #all but middays and some rush hour trips
bar:Lechmere from:01/20/1984 till:06/20/1987 color:some #all but middays and rush hours
bar:Lechmere from:03/28/1997 till:06/21/1997 color:some #weekends only
bar:Lechmere from:06/21/1997 till:06/19/2004 color:all
bar:Lechmere from:09/18/2022 till:end color:all

bar:North from:11/20/1961 till:09/10/1966 color:most #all but Sunday
bar:North from:09/10/1966 till:06/26/1976 color:all
bar:North from:09/11/1976 till:01/01/1977 color:all
bar:North from:01/01/1977 till:03/19/1977 color:most #all but weekends
bar:North from:06/18/1977 till:09/09/1977 color:all
bar:North from:12/15/1977 till:01/02/1983 color:all
bar:North from:01/02/1983 till:03/26/1983 color:some #all but middays and rush hours
bar:North from:03/26/1983 till:01/20/1984 color:most #all but middays and some rush hour trips
bar:North from:01/20/1984 till:06/20/1987 color:some #all but middays and rush hours
bar:North from:03/28/1997 till:06/21/1997 color:some #weekends only
bar:North from:06/21/1997 till:06/19/2004 color:all
bar:North from:03/22/2014 till:03/20/2016 color:most #except rush hour (duration of Government Center closure)
bar:North from:12/02/2021 till:08/22/2022 color:all
bar:North from:09/18/2022 till:end color:all

bar:Scollay from:11/20/1961 till:09/10/1966 color:most #all but Sunday
bar:Scollay from:09/10/1966 till:03/22/2014 color:all
bar:Scollay from:03/21/2016 till:end color:all

bar:Park from:start till:end color:all

</timeline>