In the first incident, DYSP Mamta D'Souza told PTI that a bus operated by one Roshan Daniel Lasrado met with an accident in the city last night.
In order to repair the bus, traffic department police constable Vilas Chavan of the Kalwa traffic unit demanded a bribe of Rs 2500 as "crane charges".
Chavan was caught while accepting the bribe at the Kharigaon toll plaza in Kalwa by ACB officials last night, officials said.
ACB officials led by DYSP Vilas Chowgule caught Padwale and on Rajesh D Thackeray red handed, ACB officials said.
Offences under the Prevention of Corruption Act, 1988 have been registered against those arrested, the ACB said.