|Logged in as: Public User|
We would like your input regarding on 4”
Many Trunk Highway and Interstate projects have included
I would appreciate your insight.
|Date||September 28, 2015|
|Attachment||MnDOT Curb Types 4 inch.pdf|
|Response||With respect to the 4" curb alone, there are no issues with traversability or vehicle redirection. Various tests of curbs have been performed that have shown curb heights of 4" are not sufficient to redirect a vehicle nor do they tend to cause vehicle instability on their own.
That said, the use of the 4" curb may affect the performance of concrete barrier designs depending on the offset of the curb and geometry of the concrete barrier as curbs adjacent to the barrier may increase vehicle climb and the potential for vehicle instability.
|Date||September 30, 2015|
130 Whittier Research Center
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