Seasonal opening and closing dates for the great mountain and coastal roads, timed entry and vehicle reservation rules on scenic drives, rockslide, fire and flood closures with reopening estimates, construction delays and pilot car schedules, fall foliage and wildflower peak forecasts by region, RV and trailer length restrictions, toll and fee changes on scenic routes, ferry and bridge closures that cut access and road trip app and permit changes, with the road or park first and the date in the title.