said by satellite68 :

1 hour and 39 minutes, to be exact.

said by TKJunkMail :

Except during morning and evening rush hours.

said by danclan :

or weekends after 7pm or before and after a full moon with exception for a blue moon every other year. Also not valid with purchase of new car with higher gas millage or import car unless said car has bluetooth built in, in which case a waiver will be granted and a 2$ monthly charge will be added...