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Learn the foundational horizontal geometric design principles for optimal roundabout safety, and the importance of applying them to optimize safety and operations of roundabouts.  Target audience:  Roundabout engineers/designers, planners.

 

 

 

 

 

Presenter: Mark Johnson, PE

Mark Johnson is Principal Engineer for MTJ Roundabout Engineering. Mark founded MTJ in 2005, after 12 years of public- and private-sector transportation engineering positions, including 4 years for the City of Loveland, Colorado, and 4 years at the Wisconsin DOT where he was a key contributor to WisDOT’s roundabout program.
Mark has published papers on roundabout design and application issues and is a co-author of the 2010 FHWA Roundabout Guide (NCHRP 672). Mark is an authorized FHWA Peer-to-Peer Roundabout Reviewer, Vice Chair of the ITE Roundabout Committee, and an active member of the TRB Roundabout Committee.