Comparison of Average Time until Roadway Clearance was achieved for 2007 through 2019.All activation, arrival, notice to proceed and clearance time averages were rounded to the nearest minute.

2019: From 1/1/19 – 12/31/19: 288 TRIP activations of which 7 were not TRIP incidents and 16 were not completed. 258 TRIP incidents recorded. 42 fell outside of standard deviation. 246 TRIP incidents in above performance measures.

2018: From 1/1/18 – 12/31/18: 271 TRIP activations of which 1 was not a TRIP incident and 12 were not completed. 258 TRIP incidents recorded. 49 fell outside of standard deviation. 209 TRIP incidents in above performance measures.

2017: From 1/1/17 – 12/31/17: 198 TRIP activations of which 1 was not a TRIP incident and 5 were not completed. 192 TRIP incidents recorded. 23 fell outside of standard deviation. 163 TRIP incidents in above performance measures.

2016: From 1/1/16 – 12/31/16: 129 TRIP activations of which 1 was not a TRIP incident and 3 were not completed. 125 TRIP incidents recorded. 6 fell outside of standard deviation. 119 TRIP incidents in above performance measures.

2015: From 1/1/15 – 12/31/15: 151 TRIP activations of which 3 were not TRIP incidents and 3 were not completed. 145 TRIP incidents recorded. 3 fell outside of standard deviation. 142 TRIP incidents in above performance measures.

2014: From 1/1/14-12/31/14: 122 TRIP incidents occurred during calendar year 2014. Of the 122 incidents, 9 fell out of standard deviation. 108 TRIP incidents reflected in the performance measures.

2013: From 1/1/13-12/31/13: 112 TRIP incidents occurred during calendar year 2013. Of the 112 incidents, 94 fell within one standard deviation of the average.

2012: From 1/1/12-12/31/12: 91 TRIP incidents occurred during calendar year 2012. Of the 91 incidents, 87 fell within one standard deviation of the average.

2011: From 1/1/11-12/31/11: 49 TRIP incidents occurred during calendar year 2011. Of the 49 incidents, 41 fell within one standard deviation of the average.

2010: From 1/1/10-12/31/10: 33 TRIP incidents occurred during calendar year 2010. Of the 33 incidents, 23 fell within one standard deviation of the average.

2009: From 1/1/09-12/31/09: 51 TRIP incidents occurred during calendar year 2009. Of the 51 incidents, 41 fell within one standard deviation of the average.

2008: From 1/1/08-12/31/08: 59 TRIP incidents occurred of them 3 were disregarded due to inaccurate time keeping and 4 were disregarded because the incident was a roll out (a whole incident worth of data was not collected). This reduces the number of incidents to perform analysis on to 52 incidents. Of the 52 incidents only 46 of the incidents fell within one standard deviation of the average.

2007: From 1/1/07-9/12/07: 27 Potential TRIP incidents occurred. Of the 27 incidents only 21 of the incidents fell within one standard deviation of the average.

.