1918 Lawrence Branch Timetable.
The above map shows the Essex Railroad from where it met the Boston and Maine on the Lawrence / North Andover line down to Middleton. the line at the bottom of the map is the Salem and Lowell RR.
The above map shows the Essex Railroad coming in from Middleton, into Danvers, Peabody and then into Salem. You also see the Salem and Lowell as well as the S. Reading branch, (labeled as the Wakefield branch) coming into Peabody and Salem. Note that the Essex Railroad owned the tracks from Peabody to Salem and the Salem and Lowell and the line from Wakefield both obtained trackage rights to operate over the Essex from Peabody to Salem.