Purpose of research is to determine the potential effect to buried archaeological deposits from the construction and subsequent operation of transportation facilities. Because the typical method of archaeological mitigation (data…
By law, Departments of Transportation are required to control noxious weeds along highway rights-of-way (ROWs). Beginning 2000, District 4 (D4) of Minnesota Department of Transportation (Mn/DOT) adopted a survey design…
The management of invasive species is ineffective when the means of dissemination are unknown. Construction vehicles are likely vectors for the spread of invasive plant species. The use of construction…
TERI Database Administrator Notes: Not recommended at present time by 2009 Environmental Process Subcommittee. A similar project was advanced through NCHRP 25-25, but was dropped because the issue is no longer of…
Storm water, or constructed, wetlands represent one of several best managements practices commonly used to treat runoff water. They may have a strong impact on the quality of receiving waters,…
Integrate low impact development and other transportation related BMPs into the Interantional Stormwater BMP Database (www.bmpdatabase.org). The major subcategories of this task are itemized below. a. Working with a panel…
Selected for NCHRP 25-25 funding as Task 75. May 2013 Update: Completed August 2012. Background To satisfy regulatory requirements of no net loss of wetlands, state transportation agencies develop mitigation…
Use Laser ablation/mass spectrometry (LA/MS) to detect historic metal and PAH pollution incorporated in calcareous skeleton of Coral & Mollusks with a precision of days to months. Coral samples from…
Organisms pick up some heavy metals in proportion to their exposure in aquatic systems, they then deposit these elements along with calcium into their calcareous shells or skeleton. Many of…
About half of all trips taken in the US are 3 miles or less. Walking and bicycling could be an adequate alternative to driving for many of these trips. The…