Complex sentence: As the city grew, the neighborhood expanded northward, creating an interesting street pattern garbled in the south, but consisting of straight north-south streets and random east-west connectors north of Grškovićeva Street.
Split into simpler sentences: As the city grew, the neighborhood expanded northward. This created garbled street patterns in the south, but led to straight north-south streets and random east-west connectors north of Grškovićeva Street.