Required Crash Tests
Required Crash Tests
The AASHTO
Manual for Assessing Safety Hardware
(MASH) defines six crash-test levels for evaluation of bridge railing for vehicular traffic, as follows.Test Level (TL) | Test No. | Vehicle | Impact Speed | Impact Angle |
|---|---|---|---|---|
TL-1 | 1-10 | 2420-lb. small car | 31 mph | 25 degrees |
1-11 | 5000-lb. pickup truck | 31 mph | 25 degrees | |
TL-2 | 2-10 | 2420-lb passenger car | 44 mph | 25 degrees |
2-11 | 5000-lb pickup truck | 44 mph | 25 degrees | |
TL-3 | 3-10 | 2420-lb passenger car | 62 mph | 25 degrees |
3-11 | 5000-lb pickup truck | 62 mph | 25 degrees | |
TL-4 | 4-10 | 2420-lb passenger car | 62 mph | 25 degrees |
4-11 | 5000-lb pickup truck | 62 mph | 25 degrees | |
4-12 | 22,000-lb singleunit truck | 56 mph | 15 degrees | |
TL-5 | 5-10 | 2420-lb passenger car | 62 mph | 25 degrees |
5-11 | 5000-lb pickup truck | 62 mph | 25 degrees | |
5-12 | 79,300-lb tractorvan trailer | 50 mph | 15 degrees | |
TL-6 | 6-10 | 2420-lb passenger car | 62 mph | 25 degrees |
6-11 | 5000-lb pickup truck | 62 mph | 25 degrees | |
6-12 | 79,300-lb tractortank trailer | 50 mph | 15 degrees |