1. Bus or railroad stations. 2. Heliports. 3. Helistops. 4. WMATA facilities. o. Vehicle transportation service establishments . p. Veterinary hospitals. (e) Special exceptions uses. Certain uses may be permitted by special exception in the PD-W district approval as
Read it in the chapter →How this ordinance defines it
The operative definition is the local one. Codes routinely subdivide a category into tiers — “day care 2, family”, “group home 2” — and attach different permissions to each, so only Herndon’s own text settles what this covers.