This year’s operations window for annual deer population reduction at Rock Creek Park is scheduled to start December 1, 2017, and end March 31, 2018. To carry out the Rock Creek Park White-tailed Deer Management Plan, temporary night-time road closures will be in effect to provide for visitor and employee safety during reduction activities. https://www.nps.gov/rocr/learn/news/rock-creek-park-announces-dates-for-annual-deer-management-operations.htm