sentences:  McHenry County was the most populous county in the United States without direct access to an Interstate Highway within its borders.As a result, residents usually used the nearby Interstate 90 (the Jane Addams Memorial Tollway), via interchanges in neighboring Kane County.But a new interchange is now completed at I-90 and Illinois Route 23, which provides McHenry County with an access point to the interstate highway system within its borders.