Definition of "roadblock"

Transgender people face roadblocks in accessing healthcare, and it’s not going away even after archaic rules denying healthcare access to transgender people are lifted and more of us become insured.

2015 September 16, Andy Marra, “Many trans people still are denied healthcare because of their identity”, in The Guardian‎

Over the past decade, the products hit roadblocks. Siri ran into technological hurdles, including clunky code that took weeks to update with basic features, said John Burkey, a former Apple engineer who worked on the assistant.

2023 March 15, Brian X. Chen, Nico Grant, Karen Weise, “How Siri, Alexa and Google Assistant Lost the A.I. Race”, in The New York Times‎