Complex sentence: Lawton is primarily served by Interstate 44, which is also designated as the H.E. Bailey Turnpike which connects with Oklahoma City to the northeast and to Wichita Falls, Texas to the south.
Split into simpler sentences: Lawton is primarily served by Interstate 44, designated as the H.E. Bailey Turnpike. It connects the city to Oklahoma City to the northeast and to Wichita Falls, Texas to the south.