Complex sentence: State Route 84 is a split-section California State Highway consisting of two sections: an east-west arterial road running from San Gregorio to Menlo Park, across the Dumbarton Bridge through Fremont and ending at I-580 in Livermore.
Split into simpler sentences: State Route 84 is a split-section California State Highway consisting of two sections. The first section is an east-west arterial road running from San Gregorio to Menlo Park, across the Dumbarton Bridge through Fremont and ending at I-580 in Livermore.