Daily Rules, Proposed Rules, and Notices of the Federal Government
The NPS has decided, in response to numerous requests from members of the public, to open an additional comment period on the Draft SEIS. The original comment period was open for 45 days, ending on August 20, 2012. The NPS Notice of Availability of the Draft SEIS was published in the
Four alternatives are considered in the Draft SEIS. Alternative 1, the no-action alternative, would not permit public over-snow vehicle (OSV) use in Yellowstone but would allow for approved non-motorized use to continue. Alternative 1 has been identified as the environmentally preferable alternative. Alternative 2 would manage OSV use at the same levels as the 2011/2012 interim rule (318 best available technology (BAT) snowmobiles and 78 snowcoaches per day). Sylvan Pass would remain open. Alternative 3 would initially allow for the same level of use as alternative 2 (318 BAT snowmobiles and 78 snowcoaches per day), but would transition to snowcoaches only over a three-year period beginning in the 2017/2018 winter season. Upon complete transition, there would be 0 snowmobiles and up to 120 snowcoaches per day in the park, and Sylvan Pass would be closed.
Alternative 4 is the NPS preferred alternative. This alternative would manage OSV use by transportation events. A total of 110 transportation events would be allowed in the park each day. A transportation event would initially equal one snowcoach or one group of snowmobiles (average of 7 snowmobiles per group, averaged over the winter use season; groups could not exceed a maximum of 10 snowmobiles). Operators would decide whether to use their daily allocation of transportation events for snowmobiles or snowcoaches, but no more than 50 daily transportation events could come from snowmobiles. OSV use would continue to be 100 percent guided, with four transportation events per day (one per gate) of up to 5 snowmobiles each allocated for non-commercially guided access. BAT requirements for snowmobiles would remain the same as the BAT requirements in the 2011/2012 interim regulation until the 2017/2018 winter season, at which time additional sound and air emission requirements would be implemented. BAT requirements for snowcoaches would also be implemented beginning in the 2017/2018 season. If OSVs meet additional
If you wish to comment on the Draft SEIS, you may submit your comments by any one of several methods. We encourage you to comment via the Internet at
Before including your address, phone number, email address, or other personal identifying information in your comment, you should be aware that your entire comment—including your personal identifying information—may be made publicly available at any time. While you can ask us in your comment to withhold your personal identifying information from public review, we cannot guarantee that we will be able to do so.