File:387107 and 387 number 125 Bedford to Beckenham Junction 1H95.jpg

English: Govia Thameslink's class 387 Electrostar dual voltage electric multiple unit (EMU) number 387107 comprised of coaches 421107, 422107, 423107 and 424107 with Thameslink branding works 1H95 from Bedford to Beckenham Junction on 9 September 2015. Class 387 EMUs are being temporarily used on this Thameslink route as an interim measure to replace class 319 EMUs that were transferred to Northern Rail. It is said that use of Class 387s will continue until the delayed class 700 EMU contract is delivered at which point the class 387 EMUs will be transferred to First Great Western. 387107 was built by Bombardier Transportation (previously ADtranz) being assembled at Litchurch Lane Works, Derby and entered service on 21 November 2014.

According to HE TSC the full diagram for the two units on this day was; 5G91....02:31...Bedford CS to Bedford 2W91...02:42..Bedford to Brighton 1B00....05:48..Brighton to London Bridge 1B05....07:11....London Bridge to Brighton 1W16....08:36..Brighton to Bedford 1W27....11:24....Bedford to Brighton 1W38...14:08...Brighton to Bedford 1H95....16:50...Bedford to Beckenham Junction 1G63....18:30...Beckenham Junction to Bedford 1W65...20:22..Bedford to Brighton 2W80..23:36..Brighton to Bedford 5W80..02:38..Bedford to Bedford CS

According to Realtime Trains the route and timings were; Bedford [BDM] 1..................1650........................1651 1/4.....................1L Bedford South Junction....1652 1/2..................1653.........................RT Flitwick Junction.................1658 1/2..................1659 1/2...................RT Flitwick [FLT] 1......................1659 1/2/1700........1700 1/4/1700 1/2..RT Harlington [HLN] 1...............1703 1/2/1704........1704/1704 1/4.........RT Leagrave Junction..............1707 1/2..................1708.........................RT Luton North Junction.........1712..........................1711 1/2.....................RT Luton [LUT] 1........................1713/1714.................1712 3/4/1713 3/4...RT Luton Airport Parkway 1....1715 1/2...................1715 1/4....................RT Harpenden [HPD] 1.............1719..........................1719 1/4....................RT Harpenden Junction..........1719..........................1719 1/2....................RT St Albans [SAC] 1.................1723 1/2/1724 1/2..1723 1/4/1723 3/4..RT R. Redland Roadstone.......1728.........................1727..........................RT Radlett [RDT] 1.....................1729.........................1728.........................RT Radlett Junction..................1729 1/2..................1728 1/2...................RT Elstree&Borehamwood.....1731..........................1731...........................RT Mill Hill Broadway 3............1733.........................1732 3/4..................RT Silkstream Junction............1734 1/2...................1733 3/4..................RT Hendon [HEN] 3..................1735.........................1734 3/4..................RT Brent Curve Junction.........1736.........................1735.........................RT Cricklewood Curve Jn.......1736 1/2..................1735 1/2...................RT Cricklewood [CRI] 3...........1736 1/2..................1735 3/4..................RT Cricklewood South Jn.......1736 1/2..................1735 3/4..................RT W. Hampstead Nth Jn........1737 1/2...................1736 3/4..................RT W. H'stead Thameslink......1737 1/2...................1737 1/4....................RT West Hampstead Sth Jn...1738.........................1737 1/4....................RT Carlton Road Junction.......1739 1/2..................1738 3/4..................RT Kentish Town Junction......1740.........................1739 1/4...................RT Kentish Town [KTN] 1.........1740 1/2..................1740.........................RT Dock JunctionNorth...........1742.........................1741............................1E St Pancras International....1743 1/2/1744 1/2..1743/1744................RT Farringdon [ZFD] 3.............1748 1/2/1749 1/2..1747/1749................RT City Thameslink [CTK] 2....1752/1753...............1750/1754................1L London Blackfriars 1...........1755/1756..............1754/1756...............RT Elephant & Castle 4............1759/1800..............1759/1800...............RT Loughborough Junction...1803........................1803 1/4...................RT Herne Hill [HNH] 4..............1806/1807..............1806/1807 1/2........RT Sydenham Hill [SYH]..........1811/1811 1/2............1812/1812.................RT Kent House [KTH] 3............1816/1816 1/2..........1817 3/4/1818 3/4...2L

Beckenham Junction 4.....1819.........................1820 1/2....................1L