Complex sentence: In more recent past the line continued to have a connection to the Amtrak mainline near Harrison station and also near Hudson tower, but these connections have since been severed as the track layout at Hudson interlocking has been modified considerably.
Split into simpler sentences: In more recent past the line connected to the Amtrak mainline near Harrison station and also near Hudson tower. These connections have since been severed as the track layout at Hudson interlocking has been modified considerably.