In order to mitigate that and other problems and to raise revenue, 721 parking meters (as of October 2013), have been installed in the west-central neighborhoods Lomas de Chapultepec, Condesa, Roma, Polanco and Anzures, in operation from 8 AM to 8 PM on weekdays and charging a rate of 2 pesos per 15 minutes, with offenders' cars booted, costing about 500 pesos to remove