Procrastinators, rejoice: TriMet's app allowing people to buy bus, train and streetcar tickets on their mobile devices is expected to go live on Wednesday, Sept. 4.

Once downloaded, the free app for iPhones and Android devices will allow users to set up an account, load credit card or debit card information and then buy tickets as needed with a few taps on the screen, according to TriMet. The app allows for users to buy tickets for single or multiple riders and includes options for selecting adult, senior and youth fares.

<a href="http://polldaddy.com/poll/7349558/">Do you plan to download TriMet's Ticket App on your smartphone the day it is released?</a>

TriMet announced it was

last May. The transit agency selected 150 people from

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