HONOLULU - Plan on paying more when parking on O'ahu.

Starting Monday, the City and County of Honolulu's Department of Transportation Services (DTS) will increase parking meter rates. The new rates will take effect at on-street parking meters only.

The increase is said to manage the increase in parking demands. Research from the Honolulu Urban Core Parking Master Plan found that traffic congestion can increase by 30 percent, and sometimes 50 percent  when street parking is 'underpriced.'

Rates for coin-operated parking meters outside Waikiki will increase from $0.75 to $1.50 per hour. These areas include Kaimuki, Liliha, A'ala, Kalihi, Kailua, Kaka'ako, Sheridan Tract, Kapahulu, McCully, Makiki, and Ala Moana.

Smart meters -- which are credit and coin-operated -- rates in the urban area will increase from $1.50 to $3 per hour. The affected zones include Chinatown, downtown, Civic Center, and Waikiki areas from Hobron Lane to Kapahulu Avenue.

Parking meter rates at the Honolulu Zoo and Kapi'olani Park will remain the same.

Parking meter enforcement hours in Waikiki will also change -- they will begin at 6 a.m. and end at 10 p.m.