Drivers on SR-88 should prepare for sudden changes in weather and road conditions, particularly in high-altitude areas like Carson Pass. Heavy vehicles, including motorhomes and those towing trailers, may face difficulties navigating steep and winding grades. Limited cell service in certain areas could hinder communication, making it crucial to plan stops and check conditions in advance. Failure to comply with chain control requirements during heavy storms could result in being turned back at limited turn-around points.