In Minnesota snow presents a special problem for rural mailbox installations. So, Minnesota Department of Transportation (Mn/DOT) developed cantilevered mailbox support designs. Recent studies had shown that certain rural mailbox installations easily penetrated the passenger compartment of an impacting vehicle. These same studies pointed out that a large number of people are seriously injured or killed each year as a result of mailbox collisions. Therefore, Mn/DOT initiated full scale crash test to ascertain the crashworthiness of its cantilevered design.
Crash Tests of Minnesota Mailbox Supports
1981
50 pages
Report
No indication
English
Crash Tests of Small Highway Sign Supports
NTIS | 1979
|Crash Tests of Small Highway Sign Supports
NTIS | 1980
|Transportation Research Record | 2019
|