U.S. Mail, Highway Post Office Vehicle Number One
Additional Details:
| On April 15, 1988, Highway Post Office service was once again in operation. HPO No. 1 retraced the original route taken by the first HPO on February 10, 1941, between Harrisonburg, Virginia and Washington, D.C. HPO No. 1 is viewed here between Lacey Spring and New Market, Virginia while on its 146 mile route |
