Senior SmarTrip cards may be purchased for $2 at any library in Montgomery County (there is no value on the card at the time of purchase). To qualify, seniors must be 65 years or older and proof of age is required at the time of purchase. In addition, the Division of Treasury at 255 Rockville Pike, Suite L-15, Rockville, MD (Mon-Fri from 8:00 AM-4:00 PM) will handle retail sales and add value. Also, TRiPS commuter stores locations in Silver Spring at 8404 Colesville Road, Level 2 of the Paul Sarbanes Transit Center (Mon-Fri from 7:00 AM-5:00 PM) and Friendship Heights/Chevy Chase at 17 Wisconsin Circle, Chevy Chase (Mon-Fri from 11:00 AM-7:00 PM) are available for SmarTrip card sales. Riders may also upload value on line or at the above referenced locations. Please see link below.