The constitutional branch of the Costa Rican Supreme Court ruled unanimously that the police cannot conduct random roadblocks or checkpoints on the country's roads. This practice has been ruled unconstitutional. They must have specific cause to stop a motorist. This is a fantastic win for individual rights here. In the last few years the random roadblocks have become more frequent and more intrusive, as the police demand that they be "allowed" to search both the vehicle and the passengers. Refusal results in them detaining people until they can get a warrant, sometimes overnight.
This article from La Nación (Spanish) has the full story. Unfortunately the comments are running very strongly against the ruling. The public seems to support the "get tough on crime" approach and are more than willing to give up their rights. I hope this victory will not be short lived.