What is the extent of the lockdown restriction due to start tomorrow?
Will it extend only to city centre? Are roads likely to be affected? I'll soon be bypassing the city heading to and from Italy/Portugal. Using the motorway but will their movement be free?

I haven't seen anything about closing motorways or bringing back attestations or anything like that.
AFAIK driving on motoways is not a big source of spreading the virus.

As far as I understand, only bars and cafés in MTP and suburbs are affected (evening curfew). It isn't a lockdown as we knew it in March/April and the motorway isn't likely to be affected, but if you stop for any reason and get out of your car, you'd best wear your mask and use your gel...
Having said that, there's no knowing whether a confinement will be decreed along your route in the days to come. It depends on the spread of the virus and the local hospitals' capacity to deal with serious Covid sufferers.

Thanks. Fingers crossed then.