How windy are the roads Florence to Siena?

Not too windy. It is a 4-lane divided highway, but no shoulder on the left, just a concrete divider, and no shoulder on the right with a guardrail and intermittent breakdown lane. Check it out on google street view.

It isn't even that far down to Siena. Many choose to take the bus from Florence because they drop you in the middle of town.

We found parking in Siena very hard to find due to congestion.

You catch the bus across from the Florence train station to the right of McDonald's.

Never even knew it was an issue. Go and have fun!

Not really windy at all but you could always take the train if you are still concerned

Have done this drive and like others, never knew it was an issue.

Do they get motion sickness because the road has lots of curves (as in windy meaning winding) or because there are strong winds blowing across the road? Or maybe both?

My husband has an issue with both, but only when someone else is driving. We took a bus tour that included going from Florence to Siena. The bus was large and we sat in the middle. He didn't seem to have any trouble with that drive like he did with a couple of other ones we went on in Italy and in other countries that used smaller busses on roads with more dramatic curves and elevation changes.

The bus ride from Florence to Siena was not a problem for me but the bus from Siena to Chiusi en route to the train to Rome definitely was.

Thanks everyone! Sounds like it shouldn’t be an issue. Getting so excited for this trip which is our makeup for the trip we canceled in 2020!

Lo - I meant windy as in winding - I did think after I posted this that I hoped people would know which windy I meant :)

Yes, that was my first thought! I had to look it up in the dictionary to make sure "windy" had two different meanings with the same spelling. Just pronounced differently. Like "lead" as a soft metal they used to make pipes from, and "lead" as to have followers.

Have taken the bus many time without a problem. Just make sure it is the 131R "Rapida" and not the 131 "Ordinarie". Also if the bus is a double deck style find a seat on the lower level. Have not seen this type of bus often, but took it once and set in the upper level for the view. Regretted the whole ride.

The highway is somewhat narrow (it was originally 4-lanes, undivided, but when the concrete island in the centre was added, the resulting lanes were a bit narrower), windy but very acceptable. This is the road for the "RAPIDA" bus. All other roads in the area, including the historical SR2 and SR222 routes are terribly windy, climbing every hill and going round every field. I remember a time I had an old car where the steering was not assisted, I decided to drive the SR2 instead of the highway for a large section of the route, just to do something different, and I arrived in Florence with my arms aching :-)