Week 31 of 2017 shows same week total rail traffic (from same week one year ago) improved according to the Association of American Railroads (AAR) traffic data. The economically intuitive sectors improved but the rolling averages remain in contraction.
This analysis is looking for clues in the rail data to show the direction of economic activity - and is not necessarily looking for clues of profitability of the railroads. The weekly data is fairly noisy, and the best way to view it is to look at the rolling averages (carloads [including coal and grain] and intermodal combined).
| Percent current rolling average is larger than the rolling average of one year ago | Current quantities accelerating or decelerating | Current rolling average accelerating or decelerating compared to the rolling average one year ago | |
| 4 week rolling average | +2.9 % | accelerating | accelerating |
| 13 week rolling average | +4.7 % | accelerating | unchanged |
| 52 week rolling average | +1.9 % | accelerating | accelerating |
A summary of the data from the AAR:
For this week, total U.S. weekly rail traffic was 554,822 carloads and intermodal units, up 4.3 percent compared with the same week last year.
Total carloads for the week ending August 5 were 273,199 carloads, up 1.9 percent compared with the same week in 2016, while U.S. weekly intermodal volume was 281,623 containers and trailers, up 6.8 percent compared to 2016.
Six of the 10 carload commodity groups posted an increase compared with the same week in 2016. They included nonmetallic minerals, up 3,559 to 40,264 carloads; coal, up 3,073 to 92,517 carloads; and chemicals, up 1,993 to 32,621 carloads. Commodity groups that posted decreases compared with the same week in 2016 included grain, down 3,279 to 20,846 carloads; motor vehicles and parts, down 1,161 to 15,609 carloads; and petroleum and petroleum products, down 1,112 to 9,386 carloads.
For the first 31 weeks of 2017, U.S. railroads reported cumulative volume of 7,991,891 carloads, up 5.3 percent from the same point last year; and 8,232,650 intermodal units, up 3.2 percent from last year. Total combined U.S. traffic for the first 31 weeks of 2017 was 16,224,541 carloads and intermodal units, an increase of 4.2 percent compared to last year.
Coal is over 1/3 of the total railcar count, and this week the EIA says coal production is 4.7 % higher than the production estimate in the comparable week in 2016.
The middle row in the table below removes coal and grain from the changes in the railcar counts as neither of these commodities is economically intuitive.
| This Week | Carloads | Intermodal | Total |
| This week Year-over-Year | +1.9 % | +6.8 % | +4.3 % |
| Ignoring coal and grain | +3.2 % | ||
| Year Cumulative to Date | +5.3 % | +3.2 % | +4.2 % |
(Click on image to enlarge)
For the week ended August 5, 2017
- Estimated U.S. coal production totaled approximately 16.1 million short tons (mmst)
- This production estimate is 0.1% lower than last week's estimate and 4.7% higher than the production estimate in the comparable week in 2016
- East of the Mississippi River coal production totaled 5.9 mmst
- West of the Mississippi River coal production totaled 10.2 mmst
- U.S. year-to-date coal production totaled 465.8 mmst, 14.5% higher than the comparable year-to-date coal production in 2016
Coal production from EIA.gov
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