There are 3 Low Emission Zones in Rome:
1) City centre with delivery regulations covering a slightly larger area than the main centre of Rome
2) Railway ring
3) Green zone
And in the entire capital of Rome vehicles including motorcycles and motorbikes without an annual inspection are not allowed to circulate.
There are also access regulations in place, see Rome - AR and Roma - Coaches.
There is also the possibility of emergency measures on days with extreme pollution, particularly in the winter. Options include banning alternating number plates, or a ban all vehicles. Notification is by the local press.
Dates and details
1) City centre:
cars petrol Euro 2
The measures operates Monday to Friday from 06:30 - 18:00, Saturday 14:00 - 18:00 unless you have a permit.2) Railway ring:
From 15 December 2015 to 31 October 2016:
This tightened LEZ is usually only in operation in the winter, however it has been extended this year due to the poor air quality in the beginning of 2016. It is likely that the LEZ will maintained, or even tightened, after October 2016, rather than relaxed in standard.
Monday to Friday from 00:00 - 24:00 (excluding public holidays):
petrol Euro 2 for four wheeled vehicles and
diesel Euro 3
for motorcycles, two, three and four wheels, 2 and 4 stroke Euro 2.
These are the usual standards in summer:
diesel Euro 2: Monday to Friday from 00:00 - 24:00 (excluding public holidays)
motorcycles Euro 1: permanent,
but this year Rome decided to stick to the tightened standards (see above).
3) Green zone:
From November 2016 on the standard for the entire Fascia Verde (Green Zone) (150km²) will be tightened to minimum standard Euro 3.
Emergency measures at days with extreme pollution: alternating number plates or a total block of vehicular traffic.
In ZTL City Centre and Trastevere no access for:
Lorries <3.5 tonnes Euro 3 from 07:00 - 10:00 and 16:00 - 20:00.
Lorries <3.5 tonnes Euro 4, 5 and 6 from 17:30 - 20:00.
Lorries >3.5 tonnes Euro 3, 4, 5 and 6 from 07.00 - 20:00.
Lorries >6.5 tonnes electric, LPG, CNG, hybrid vehicles from 07:00 – 20:00.Lorries <6.5 tonnes electric, LPG, CNG, hybrid vehicles can enter at any time.
Lorries Euro 5 from 1st July 2014.
Lorries Euro 6 from 1st July 2015.
Options to travel into the city without a car.
ATAC Azienda per la mobilità
Map of the 3 LEZ
orange: ZTL Centro Storico
purple: ZTL Annello Ferroviario
green: ZTL Fasciale Verde (A, B, C and D are only there to make it easier to find the streets)
for a larger map see here
Has signs similar to this, a banned vehicle sign with the requirements below:
Need to Register?
Only for the City Centre (1)
Foreign vehicles affected?
Hours of operation
For times see "dates and details".
70€, plus an additional 70€ if there was no valid annual emissions test sticker
There is currently no Italian national scheme, but regional as well as individual city schemes.
Motorcycles: Rome Exemptions
Loading and unloading is allowed to electric vehicles, LPG, CNG, hybrid and bifuel up to 6.5T at all times.
Vehicles Euro 4, 5 and 6 up to 3.5T from 20:00 - 10:00 and 14:00 - 16:00. Vehicles with more than 6.5T can access from 20:00 - 07:00.
Local name for the scheme
Zona a Traffico Limitato (ZTL) or Limitazioni della circolazione, the general name for all access regulation schemes, also used for Low Emission Zones.
General access, LEZ and other restrictions: Rome Mobility Agency