Complex sentence: Between 1890 and 1895 the canal was reconstructed and enlarged in order to permit the passage of wide-gauge barges and the number of locks was reduced from 12 to 7.
Split into simpler sentences: Between 1890 and 1895 the canal was reconstructed and enlarged in order to permit wide-gauge barges. Concomittantly, the number of locks was reduced from 12 to 7.