All ActivityMost RecentMost LikesSolutionsRe: Baltimore/washington Parkway with a 5th wheel tralier Any advice for getting from PA to Severn, MD now that the bridge is out? Re: Best navigation app when towing a 5th wheel With all these suggestions - WAZE, Google maps, etc. if they don't warn about low bridges, low weight bridges, tunnels that ban trucks/RVs or propane then they are useless for RVs.