the eastern railway itself was also a significant economic factor. its construction during an economic crisis created jobs on a large scale. at the height of its construction in june 1851, 12,000 workers were employed on building its track. the royal railway division of the eastern railway in bromberg (bydgoszcz) established ten operating offices in berlin, schneidemühl (piła), stolp (słupsk), danzig (gdańsk), königsberg, allenstein (olsztyn), thorn (toruń), bromberg (bydgoszcz), stettin (szczecin) and posen (poznań). in 1880, its rollingstock included 265 passenger and express locomotives, 320 freight locomotives and 93 tank locomotives.