By 25 November 1946, both enterprises were merged, through a Ministry of Transportation announcement (Indonesian: Maklumat Menteri Perhubungan No.01/DAM/46), into Djawatan Angkoetan Motor Repoeblik Indonesia (DAMRI).

DAMRI has played an active role during the Indonesian National Revolution, especially during the resistance against the Dutch military aggressions.

[7] On 26 May 2017, the Jabodetabek Transportation Management Board (BPTJ) planned 12 bus routes from Soekarno-Hatta Airport to some hotels in Jakarta.

The service extends into in large Indonesian cities such as Medan, Batam, Padang, Palembang, Bandar Lampung, Greater Jakarta, Bandung (Trans Bandung Raya),[9] Yogyakarta, Surakarta, Semarang, Jember, Surabaya,[10] Denpasar (Trans Sarbagita), Makassar, Kendari and Manado.

In the past, DAMRI operated 66 Zhongtong LCK6180GC Doosan CNG Euro V[11] articulated buses (in red-orange-yellow livery) for Transjakarta.

Perum DAMRI also operated 21 INKA Inobus Cummins ATC 320 CNG Series, which are now retired for its contract period is over.

On 22 December 2023, DAMRI officially launched 26 units of orange-white-colored Skywell NJL6129BEV low-floor electric bus for non-BRT feeder routes, operating under the Metrotrans brand.

This service serves from one city to another and goes through province borders, and it have four non-economy classes; Business, Executive, Royal, Limousine and the latest, Imperial Suite (using double-decker bus[18]).

DAMRI operates inter-country transport across the Indonesia-Malaysia border, serving a route between Pontianak, Indonesia to Kuching, Malaysia.

[30] The routes are: DAMRI uses trucks to deliver goods in collaboration with PT Pos Indonesia in Medan, Dumai, Surabaya and Mataram in primary and secondary pathways.