Complex sentence: Israel Railways utilizes Indusi (I 60R) supplied by Thales throughout its network although beginning in 2018, the Indusi system is scheduled to be replaced by ETCS Level 2 signalling in stages.
Split into simpler sentences: Israel Railways utilizes Indusi (I 60R) supplied by Thales throughout its network. Beginning in 2018, the Indusi system is scheduled to be replaced by ETCS Level 2 signalling in stages.