The phrase "access has led" is correct and usable in written English.
It can be used when discussing the outcomes or consequences resulting from the availability or use of something, typically in a technological or informational context.
Example: "The increased access to online resources has led to a significant improvement in student research skills."
Alternatives: "access has resulted in" or "access has caused".
Washington's continued refusal to grant them access has led to feverish speculation in this country.
At times Mr. McCain's risky campaign style of constant access has led to gaffes.
Fans still crave going to shows, yet increased digital access has led to slumps in live concert attendance.
But rising demand for clean electricity in burgeoning tropical cities, and new roads to areas once considered impossible to access, has led to plans for over 450 dams for the three mega-diverse river basins.
These are significant achievements, but I put it to her that many people are worried that this emphasis on access has led to a sharp drop in standards as children crowd into huge classes in schools such as those in Katine.
The opportunity for high-speed access has led to the birth of a dozen-odd startups trying to cash in.
In the United States recognition of disparities in clinical trial access has lead to national policy strategies.
The combination of current access and market access commitments has led directly to quantitative commitments (and in some cases quantitative restrictions) on market access.
It noted that the spread of internet access had lead to an explosion in information accessible to the FBI, and cast doubt on Justice Department and congressional assurances that the authority, known as Section 215, is critical for counterterrorism.
In India, the spread of second-generation mobile technologies global system for mobile (GSM) and code division multiple access (CDMA)—has led to a dramatic rise in teledensity, from approximately 1% in 1985 to 76.86% in 2011.
Leslie East, chief executive of ABRSM, switched focus, suggesting that a lack of follow-through on first access projects has led to a decline in state school students continuing with music lessons in a "coherent, constructive, progressive way … because of a lack of funding".
