[Code of Federal Regulations] [Title 45, Volume 1] [Revised as of October 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 45CFR3.26] [Page 14] TITLE 45--PUBLIC WELFARE AND HUMAN SERVICES PART 3_CONDUCT OF PERSONS AND TRAFFIC ON THE NATIONAL INSTITUTES OF HEALTH FEDERAL ENCLAVE--Table of Contents Subpart B_Traffic Regulations Sec. 3.26 Speed limit. The speed limit is 25 miles per hour, unless otherwise posted. A driver of a vehicle may not exceed the speed limit.