The mayor of Rome introduce new rules for bus from 1st january 2019.
Here the main changes:
There are 3 new ZTL BUS areas, A – operates every day from 00.00 to 24.00 (including holidays), B – operates every day from 5.00 to 24.00 (including holidays), C – operates every day from 00.00 to 24.00 (including holidays).
Tourist buses will be allowed to enter the City only after purchasing a day permit. The Permits are A is necessary to move and stop in the A ZTL BUS area. This area start from the first meter after GRA (also knows as A90 Motorway, a toll-free long orbital motorway that encircles Rome) ’till the B ZTL BUS areas. There are also the Permit “B”, the Colosseum Area’s Permit, the Vatican Area’s Permit, the Permit G “Great events” (to enter and to spot in the A ZTL BUS area during great events) and the Permit “Gran Turismo”.
All the permits must be printed in A4 format and positioned so as to be visible on the windshield of the vehicle.
The Checkpoint for purchasing the day permits are 3:
Check Point Ponte Mammolo –  24h (only cards, not cash) – Via delle Messi d’Oro – 00158 – Rome;
Check Point Laurentina – 8-14 (cash) or 24h (only cards, not cash) – Via Francesco de Suppè – 00143 – Rome;
Check Point Aurelia – 8-20 (cash) or 24h (only cards, not cash) – Via Aurelia km 9,200 – 00165 – Rome. This Check Point is not easy to find on Navigator. You can look for “Roma Aurelia Area di Parcheggio” on Google Maps or put the follow GPS coordinate: 41°53’00.2″N 12°23’38.1″E or 41.883386, 12.393905.

ZTL BUS ROME Mercurio Viaggi 2019
Detail of ZTL BUS ROME 2019