Simplify the following text for a Grade 5 native English-speaking person.
Original: However , a late decision in 1961 saw the line cut back to Walthamstow ( Hoe Street ) station which was renamed Walthamstow Central in 1968 .
Simplified: However , a late decision in 1961 saw the line cut back to Walthamstow Central station . Until 1968 this station was called Walthamstow ( Hoe Street ) .