The phrase "busy freeway" refers to a crowded road where there are a lot of cars and traffic, making it difficult for vehicles to move freely and quickly. Full definition
We found no glitches or complaints with the adaptive cruise control, but found the forward collision warning system a fraction sensitive, especially in busy freeway traffic. (motoring.com.au)
Neither of us is usually supportive of manual transmissions in family sedans and wagons, particularly those used for everyday commuting on busy freeways. (articles.orlandosentinel.com)
With the Technology Package's AcuraLink ™ Satellite Communication System and AcuraLink Real - Time Traffic ™, the RDX driver can easily navigate busy freeways. (japanesesportcars.com)