Complex sentence: On Thursday, May 28,1970, the Soledad Freeway opened, connecting Regents Road and Genessee Avenue with I-5; however, it did not connect to the unopened I-805.
Split into simpler sentences: On Thursday, May 28,1970, the Soledad Freeway opened, connecting Regents Road and Genessee Avenue with I-5. However, it did not connect to the unopened I-805.