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Official Rulings Database

Experimentations

There are procedures for testing new developments or introducing new ideas into transportation. A formal request must be made and approved before testing or evaluating new traffic control devices, their applications, manner of use, or other provisions not described in the manual.

These are the current experimentations:

By State Select A State AK AL AR AZ CA CO CT DC DE FL GA HI IA ID IL IN KS KY LA MA MD ME MI MN MO MS NC ND NE NH NJ NM NV NY OH OK OR PA RI SC SD TN TX UT VA VT WA WI WV WY	By Year Select A Year 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977	By Part Select A Part Part 1 - General Provisions Part 2 - Signs Part 3 - Markings Part 4 - Highway Traffic Signals Part 5 - Low Volume Rural Roads Part 6 - Temporary Traffic Control Part 7 - Traffic Controls for School Areas Part 8 - Traffic Controls for Highway Rail Grade Crossings Part 9 - Traffic Controls for Bicycle Facilities Part 10 - Traffic Controls for Highway Light Rail Transit Grade Crossing

Note: Experiments listed here are not authorized for general use, regardless of their status. They have been authorized for use only by the requesting agency. This listing is for informational purposes only.

Note on searches:  We have recently added new search capabilities, such as the ability to search by state. Older records that do not contain enough information for these new searches may not show up in your search results. We are updating records to make more information available via these searches.