Departures have reached 22 per day from Kavkaz in Russia,up from eight before the troops moved in, according to a source from operating company Anroskrym citedby the ITAR-TASS news agency.
Three ferries are being run on the route currently.
Ferry crossings from Russia to Crimea have nearly trebled after the annexation of the former Ukrainian region.
Departures have reached 22 per day from Kavkaz in Russia,up from eight before the troops moved in, according to a source from operating company Anroskrym citedby the ITAR-TASS news agency.
Three ferries are being run on the route currently.