bring to a dead end

bring (someone or something) to a dead end

To lead to an impasse; to lead to a point where no more progress is possible. The phrase can be literal or figurative. Because the GPS brought us to a dead end, we'll have to turn around and take that side road. Investigating that theory has brought my research to a dead end—every experiment I've tried so far has failed.
See also: bring, dead, end
Farlex Dictionary of Idioms.

bring something to a dead end

to cause something to reach a point from which it can go no further. The accident brought the project to a dead end. The study was brought to a dead end by the loss of federal funding.
See also: bring, dead, end
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • bring (someone or something) to a dead end
  • led
  • get the lead out
  • Get the lead out!
  • lead on
  • lead in
  • get the lead out of (one's) pants
  • lead with
  • lead the line
  • get the lead out of (one's) feet