NJ Transit is offering Buy 1, Get 1 Free Transit Tickets for a limited time. This offer is only avaible when purchasing tickets through their mobile app. To get this deal, select 4 One-Way tickets (which is 2 mound trips) in the app and use the promo code: DASHINGNJT at checkout. Remember you will need to activate both tickets before boarding the train or bus. Limited to one per account. Coupon expires Jan 2, 2023.