blockage
US /ˈblɑː.kɪdʒ/
UK /ˈblɑː.kɪdʒ/

1.
an obstruction in a pipe, tube, or other passage
:
•
There's a blockage in the kitchen sink drain.
•
The doctor found a blockage in his artery.
2.
the action or process of obstructing something
:
•
The police created a blockage to prevent the protestors from advancing.
•
The sudden snowfall caused a blockage on the mountain pass.