NAR Data Snapshots

NAR Data Snapshots

Tank Car NAR Data Breakdowns 2017 Preliminary Source of data: PHMSA on-line NAR data and data provided by Canadian Class 1 railroads Todd Treichel [email protected] 7/11/18 PRELIMINARY

1 Sources for the NAR Data The main source for incidents in the US is PHMSAs 5800.1-based data Canadian Class 1s also voluntarily provided data on incidents in Canada Railroads are voluntarily adding BOE Cause Codes to their 5800.1 reports More precision than PHMSA Cause Codes

However, this process was introduced mid-2017 and needed considerable follow-up to complete the dataset 7/11/18 PRELIMINARY 2 Further Notes on NAR Data Some gaps Cause Codes for most US short lines

Canadian short line incidents Did not attempt to include Mexican incidents 2017 data do include US short line incidents, while previous years lacked many of those but they are excluded from the trend graphs for comparability with previous years While the 2017 dataset is finalized, the graphs shown here are preliminary because there has not been a full review of the various counts

7/11/18 PRELIMINARY 3 Tank Cars with NARs by Year US & Canada * 63% reduction since 1996

32% reduction since 2007 7/11/18 PRELIMINARY 4 Top Commodities for NARs Top 15 in Tank Car NARs in 2017 US & Canada

Also of interest: Pet. Crude 3 7/11/18 PRELIMINARY 5 Multiple Tank Car NARs During 2017 from the Same Origin Point

323 origins had 1 NAR, 40 had 2 NARs, etc. 7 origin locations had 5 or more NARs in 2017 7/11/18 PRELIMINARY 6 Alcohols NOS Trend

7/11/18 PRELIMINARY 7 Anhydrous Ammonia Trend 7/11/18 PRELIMINARY 8

Crude Oil Trend 7/11/18 PRELIMINARY 9 LPG Trend 7/11/18 PRELIMINARY

10 Tank Car NARs per 1,000 Originations Selected Commodities 7/11/18 PRELIMINARY 11 Tank Car NARs per 1,000 Originations

Selected Commodities HCl Excluded 7/11/18 PRELIMINARY 12 Components Involved in NARs Non-pressure Cars 2017

7/11/18 PRELIMINARY 13 Top Specific Causes for Non-pressure Cars 2017 7/11/18 PRELIMINARY

14 Components Involved in NARs Pressure Cars 2017 7/11/18 PRELIMINARY 15

Top Specific Causes for Pressure Cars 2017 7/11/18 PRELIMINARY 16

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