After 6 pm - Orange, Grey, Green permits are allowed access into the visitor section only.
Mon-Fri (5pm - 7am): Pay by credit card only
Sat-Sun: Pay by credit card only
Monday - Friday, 8 am - 4 pm, cash or credit card at a rate of $1.50 per half hour for the first 2 hours. After 2 hours the daily $21 maximum is charged.