Complex sentence: Glen Erin Drive is a winding road that was constructed in phases to serve the planned communities of Erin Mills and Meadowvale, with the central connecting portion being completed in 1993.
Split into simpler sentences: Glen Erin Drive is a winding road that was constructed in phases to serve the planned communities of Erin Mills and Meadowvale. It originally had two separate sections, with the central connecting portion being completed in 1993.