Complex sentence: Portland city officials considered removing or modifying the cloverleaf ramps that run from the Morrison Bridge to Naito Parkway, while the market proposed moving the ramps to Morrison and Stark streets, allowing easier pedestrian access from the waterfront.
Split into simpler sentences: Portland city officials are considering removing or modifying the cloverleaf ramps that run from the Morrison Bridge to Naito Parkway. The market proposed moving the ramps to Morrison and Stark streets, allowing easier pedestrian access from the waterfront.