Complex sentence: From downtown Athens since the 1970s, it is bypassed by Andreas Syngrou and a small highway southward, and aligns nearly to the northeast from the southwest, while aligning directly in downtown Athens.
Split into simpler sentences: From downtown Athens since the 1970s, it is bypassed by Andreas Syngrou and a smal highway southward. It aligns nearly to the northeast from southwest while it does align directly in downtown Athens.