Complex sentence: More specifically, the Parkway is one-way south on weekdays from 6:45 am to 9:45 am, and one-way north from 3:45 pm to 6:30 pm.
Split into simpler sentences: More specifically, the Parkway is one-way south on weekdays from 6:45 am to 9:45 am. The Parkway is one-way north from 3:45 pm to 6:30 pm.