Researchers documented performance of an iron-enhanced ditch check filter to remove phosphorus from stormwater over three years. The filter was effective, but its performance decreased over time, and it will require relatively frequent maintenance. Several design changes may be considered.Continue reading Evaluating Iron-Enhanced Swale Ditch Checks for Phosphorus Removal
The Minnesota Local Road Research Board recently funded a project to survey and analyze the use of Geographic Information System (GIS)-based asset management tools for city and county public works departments.Continue reading New Project: GIS Tools and Apps – Integration with Asset Management
MnDOT has funded a study to evaluate the use of non-lethal ultrasonic acoustic devices to temporarily deter bats from bridges before and during construction projects.Continue reading New Project: Use of Innovative Technology to temporarily Deter Bat-Bridge Use Prior to and During Construction
Sound barriers and snow fences along highways have the potential to provide clean energy in Minnesota.
A newly funded MnDOT study, Harnessing Solar Energy through Noise Barriers and Structural Snow Fencing, is investigating how to utilize existing noise barriers and snow fences on Minnesota highways to harvest clean, cost-effective energy.Continue reading Study Underway to Harness Renewable Energy from Minnesota’s Highways
Katie Walker, formerly of Hennepin County, was recently named director of MnDOT’s new Office of Research & Innovation (formerly the Research Services & Library section), a role in which Walker will lean on her experience leading organizational change at Hennepin County.Continue reading New Office, Director to Foster ‘Culture of Innovation’