Complex sentence: The roadway will be a complete 50 mile highway between U.S.101 and SR 14 with no overlap with Interstate 5 and the longer drive through Santa Clarita like before it will be a single road link between SR 14 and U.S.101.
Split into simpler sentences: The roadway will be a complete 50 mile highway between U.S.101 and SR 14 with no overlap with Interstate 5 and the longer drive through Santa Clarita. As it was previously, this will provide a single road link between SR 14 and U.S.101.