ST. PAUL (WJON News) -- Transportation and traffic safety officials want Minnesota drivers to slow down. MnDOT and its partners throughout the state have installed more than 300 new Vehicle Speed Feedback Signs along rural highways that detect and display speeds as drivers approach small towns or reduced speed zones. Safety officials say speed is one of the leading causes of death and serious injuries on Minnesota roads, and the digital speed signs are just one tool MnDOT uses to improve highway safety. Como Park Zoo Como Park Zoo has been a staple in St. Paul since it first opened in 1897. The park, zoo, and conservatory continue to evolve, and the attraction remains free to attend.