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Table 4 Number of crashes before and after shot blasting
From: Road safety audit on a major freeway: implementing safety improvements
Year | Crashes | |||
|---|---|---|---|---|
Immitos Ring Road* | Sites with treatment | Total | ||
Before shot blasting | 2008 | 177 | 42 | 219 |
2009 | 214 | 119 | 333 | |
2010 (6 months) | 99 | 33 | 132 | |
After shot blasting | 2010 (6 months) | 68 | 74 | |
2011 | 191 | 18 | 209 | |
2012 | 97 | 14 | 111 | |