Complex sentence: Meanwhile the Wensleydale branch line to, Leyburn and had been opened in stages between 1848 and 1878-this joined the main ECML immediately north of the station and its trains used a bay at the northern end of the northbound island platform.
Split into simpler sentences: Meanwhile the Wensleydale branch line to, Leyburn and had been opened in stages between 1848 and 1878. It joined the main line immediately north of the station and its trains used a bay at the northern end of the northbound island platform.