The phrase "a roadblock for" is correct and usable in written English.
It can be used to describe an obstacle or hindrance that prevents progress or achievement in a particular context.
Example: "The lack of funding has become a significant roadblock for the project's development."
Alternatives: "an obstacle to" or "a barrier for".
"No Women" was never a roadblock for Cowles, just a minor speed bump.
This legal requirement has, so far, been a roadblock for public companies in the US.
Even the word "cancer" is ugly, scary, burdensome — a roadblock for a conversation before it even starts.
"The whole reason for the rules is to put up a roadblock for these kids going pro," Johnson said.
State officials said the interview had been a roadblock for many people who could not afford to take time off from work.
Boeing would contribute marketing knowledge, lease financing services and help in winning international safety certification for the new planes, a roadblock for export-minded Russian producers now.
In light of this possibility, it makes sense to consider that the histone octamer is not simply a monolithic roadblock for a translocating remodeling enzyme but, rather, plays a more active role in the remodeling process.
Sessions's move could, however, add at least a temporary roadblock for people seeking a promising alternative treatment for pain and opioid addiction.
NIMBYism (Not In My Backyard) has proven a reliable roadblock for local jails, where a significant chunk of America's inmates are held.
Fighting HIV/AIDS has political momentum it didn't have decades ago in the early years of the domestic crisis, when a Republican-led government posted a major roadblock for activists who labored under the Reagan White House, where HIV/AIDS was, at best, ignored and, at worst, openly mocked.
Republicans are trying to pare back the Democrats' supermajority in the county Board of Legislators, a frequent roadblock for the Republican county executive, Rob Astorino, a rising figure within the party.
