Complex sentence: A proposal for a Jack London Square station in Oakland was rejected as being incompatible with existing track geometry; a one-station stub line at the foot of Broadway and the use of other transit modes also were studied.
Split into simpler sentences: A proposal for a Jack London Square station in Oakland was rejected as being incompatible with existing track geometry. A one-station stub line to Jack London Square at the foot of Broadway and the use of other transit modes also were studied.