red line, road island and fort taunton. the orpg line, sharing between cheverly. the blue lie, between arlington cemetery and foggy bottom. because of the holiday monday, right here, note to self, service will not return to normal until tuesday morning. >> starting today, a simple trip to metro's website will save you money, if you register your smart trip card online you get a $3 rebate on that card. registering allows you to link smart trip to a credit or debit card allowing you to recharge it automatically. now, that $3 will help you reach a new minimum balance. smart trip cards have to have. from now on, you will not be able to enter the metro system unless you have at least $1.20 on your card. and if you are a senior citizen or disabled, your american mum is 35 cents. >>> coming up, this is one of the exhibits that i was most looking forward to seeing when i first moved heard and couldn't because it was under construction. it's opening this morning after years of planning. >> right. at 9:07. 9 benefits of gridlock. why some might welcome the sight of bumper-t