TERI Administrator Note: Selected for FY12 NCHRP funding as NCHRP 25-37 RESEARCH PROBLEM STATEMENT This problem statement was identified by the Natural Systems and Ecological Communities Subcommittee of AASHTO’s Standing…
The ability to manage parking has substantially changed in recent years. Parking can now be charged using credit/debit cards, cell phones as other pre-paid options. This allows for employers to…
Subsurface gravel wetlands(SGW) have proven successful as a nitrogen control strategies however costly to construct. SGW have been shown to remove >95% of NO3-N and >55% removal of TP and…
Stabilization of roadsides after construction is critical to protecting water quality, public safety and the longevity of the project. Unfortunately, current erosion control seed mixes include invasive exotic species. The…
Background On December 1, 2009, the United States Environmental Protection Agency (EPA) released their final rule on the effluent limitation guidelines for stormwater discharges from construction sites. Effluent guidelines…
Analyze the accuracy of traffic forecasting over time, data that was used in environmental analysis/studies. For example, a 1980 traffic study for a particular project looked at the traffic numbers…
Cost of this vs. ditch and basin treatments, maintenance.
Select several of these small bridges that are being let and re-design, install and monitor the discharge from the standard skimmer basin (x2) vs. a solid dam with a weir…
Research should include an analysis of current sodium chloride concentrations existing in reservoirs which support a water supply for the general public. Impact of runoff to these reservoirs and the…
More than 25 amphibians and reptiles are listed as threatened or endangered in California. Highways pose movement barriers for many these species. As California’s human population increases and climate changes…