There will be 12,060 Certificates of Entitlement (COEs) for May to July 2014, said the Land Transport Authority (LTA).
A monthly quota of 4,019 has been set aside -- a 32 per cent increase compared to the last three months of February to April 2014.
The biggest increase is for the Open Category E, which sees a 53.4 per cent jump with 586 COEs up for bidding each month.
Monthly COE quota for Category A, or small cars up to 1,600cc and 97KW, is set at 1,011, a 41 per cent increase over the last three months.
Monthly COE quota for Category B, or big cars up to 1,600cc and 97KW, is 966, a 37.8 per cent increase.
Monthly COE quota for Category C, or goods vehicles and buses, sees a 46.9 per cent increase, with 770 COEs.
There will be fewer COEs for Category D for motorcycles -- at 686, which is a 4.58 per cent decrease in the monthly quota.
The next quota announcement for the bidding period of August to October 2014 will be made in July 2014.