|Logged in as: Public User|
I know that you have crashed tested the MGS without
How much tolerance is there for the hubguard to extend above
|Other Keywords||Lon Span|
|Date||May 19, 2017|
We have not crash tested the MGS Long-Span System without the use of blockouts on the three CRT posts adjacent to the 25-ft span. As such, I would not suggest placing the railing system farther back than was used in the successful MASH crash testing program. As I recall, we did test one of the two MASH tests with the back side aligned with the traffic-side face of the headwall. Still, wood blockouts were used on the front face of the CRT posts. Removal of blockouts would farther locate the vehicle off of the culvert edge, which has not been evaluated.
With regards to non-blocked MGS near MGS Long-Span, general guidance has suggested that the non-blocked MGS could begin one span (6 ft - 3 in.) away from the outermost CRT post as long as sufficient level, or approximately level, terrain exists behind the posts. This guidance has been included in MwRSF Report No. TRP-03-262-12.
Let us know if you have any further questions or comments.
|Date||May 20, 2017|
130 Whittier Research Center
2200 Vine Street
Lincoln, NE 68583-0853
The information contained on the Midwest Roadside Safety Facility (MwRSF) website is subject to change without prior notice. The University of Nebraska and the MwRSF is not responsible or liable, directly or indirectly, for any damage or loss caused or alleged to be caused by or in connection with the use or misuse of or reliance upon any such content, goods, or services available on this site.