Hi Andy;
It's just volume of traffic that can slow this route down, thats all. I've used it a couple of times and never actually had a long delay (this was September), the traffic just moves slowly if it gets very busy. Southbound seems to be marginally worse for some reason. There aren't any restrictions applying specifically to caravans. The rest of the motorway route is very good for towing. I don't have any expereience of the Brenner pass. I have however used the (rebuilt) Mont Blanc tunnel - this is a much quieter route with very light traffic in the tunnel with access control. Its wide and brightly lit, a lot more pleasant than the rather smelly and gloomy St Gotthard! I've also towed the Grand St Bernard pass/tunnel, not bad but much more single carriageway road which means you will travel at a significantly slower pace. I tow a large twin-axle and all these routes are OK for this. None have particularly steep gradients either. Best advice is plan to hit the busy spots at a less busy time if at all possible. I'm afraid traffic problems aren't restricted to just us and the M25..!! Just remember the journey is part of your holiday, the scenery will definitely be better than the M25 (!) and don't commit to an unrealistic journey on any given day. Thre are always loads of sites to drop into for an overnight to break the journey if things slow up, keep your sites book to hand and you might just stay a bit longer than a night! Relax and enjoy it, wherever you find yourself. Richard.
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