Can RVers Legally Pull Two Trailers at Once? What About Passengers Riding in Back?

This RV website is one of the most helpful places you can visit for information about traveling with your RV. It will tell you the towing laws of each state and Canadian province. It also lists some campground information, dump station locations, events & festivals and a host of other important information about each state and Canadian province. It breaks down the campground information by county. Here is the homepage: RV Travel Guide

The following is an example that I pulled up for the state of Oregon:
RV Road Laws-2007
Size Limitations: Height, 14'; Width, 8'6"; Trailer length, 45'; Motorhome length, 45'; Combined length, 65' but 60' on selected highways special permit required. Triple towing is no longer permitted.
Required Equipment: Safety chain.
Passengers are permitted to ride in fifth wheel if passenger can communicate with driver and an exit can be opened from both interior and exterior. Safety glass in windows required. Passengers are not permitted to ride in travel trailers. Passengers are permitted to ride in pickup camper.
Overnight parking in state rest areas in permitted but with a 12 hour limit.
Dump Stations:
• I-84, MP 73, east
• I-84, MP 228, east and west
• I-84, MP 269, east and west
• I-84, Exit 374, east and west
• US-20, 18 miles west of Burns, east and west
• US-26, 4 miles west of John Day, east and west
• US-101, 2 miles north of Brookings, north and south
• US-101, 14 miles north of Florence, north and south
• US-101, 8 miles south of Reedsport, north and south
• OR-62, MP 35, east and west
• OR-245, five miles north of Unity, east and west

This site is full of important RV travel information, so be sure to take a look at it before you travel. Keeping you informed on RV topics of interest – Jim Twamley