County Roadways
- When referring to a road by its number, use US, MD, or I- and the number. We do not use the word “route.”
- When using a street name along with the route name, the route name is first, and the street name follows in parentheses.
- Example: US 1 (Baltimore Avenue) or MD 214 (Central Avenue)
- Use these abbreviations: Ave., Bldg., Ct., Dr., Expy., Hwy., Ln., Pkwy., Pl., PO Box, Rd., Rm., Rte., Sq., St., Ste. (or Suite), Terr.
- Below is the correct punctuation and spelling for certain roadway names as stated in the Prince George's County Street Index and Directory:
| Name | Spelling/Punctuation rule |
|---|---|
| Ardwick-Ardmore Road | hyphen |
| Baltimore-Washington Parkway | hyphen between Baltimore and Washington |
| D'Arcy Road | apostrophe, capital A |
| East West Highway | no hyphen |
| Fairmount Heights | but Fairmont High School |
| Glenarden | one n, single word |
| Glenn Dale Road | two n's, two separate words |
| Harry S Truman Drive | no period after "S" (use a period when referring to the president) |
| Lanham-Severn Road | hyphen |
| Laurel Bowie Road | no hyphen |
| Lottsford-Vista Road | hyphen |
| Martin Luther King Jr Highway | no period (use a period when referring to the civil rights leader) |
| Mellwood Road | two l's |
| Melwood area | single l |
| Old Alexandria Ferry Road | not Alexander |
| Popes Creek | no apostrophe |
| Queens Chapel Road | no apostrophe |
| Ritchie Marlboro Road | no hyphen, note the "t" in Ritchie |