 ?? BRIAN MOR­RI­SON. ?? The UK’s first elec­tri­fied route opened in Brighton in 1883. Elec­tric mul­ti­ple units 2-BIL 2090 and 4-SUB 4732 work the shut­tle ser­vice to and from Seaford dur­ing the Brighton Open Day on Septem­ber 21 1991.