Maryland Route 99
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| MD Route 99 |
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| Old Frederick Rd. Maintained by MDSHA |
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| Length: | 7.57 mi[1] (12.18 km) | ||||||||||||
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| West end: |  MD 32 near Alpha |
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| East end: |  US 29 in Ellicott City |
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Maryland Route 99 is a 7.6-mile section of Old Frederick Road from MD 32 to US 29 in Howard County, Maryland.
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[edit] Route description
Old Frederick Rd. begins much further west than MD 99's western terminus, at Twin Arch Rd. a few miles east of Mount Airy. After intersecting MD 32 north of the latter's interchange with I-70, MD 99 runs east through rural countryside. It intersects the southern terminus of Henryton Rd. (formerly designated MD 101) before forming the northern boundary of Alpha Ridge Park. It intersects a major county road, Marriottsville Rd., north of the Turf Valley Country Club. Continuing east it runs into more built-up suburban neighborhoods, eventually reaching the southern terminus of Woodstock Rd. (formerly part of MD 125) before entering the western suburban outskirts of Ellicott City.
Passing to the south of North Run Park, the route reaches the northern terminus of St. John's Lane, across from Mount Hebron High School. Continuing east, the route enters the small community of Mount Hebron and eventually intersects the northern terminus of US 29, where the MD 99 designation terminates. Across from the intersection, Rogers Ave. continues east to cross I-70 and US 40 and eventually enter historic Ellicott City.
[edit] History
Previously, MD 99 continued past US 29 onto Rogers Avenue into historic downtown Ellicott City, but the Rogers Avenue section has since been turned back. At one time, MD 99 east of St. John's Lane, including the former portion, was designated as Maryland Route 105, with MD 99 following St. John's Lane south to MD 144.
[edit] Notes
- US 29 has its northern terminus at MD 99 in Ellicott City. US 29's southern terminus is in the Florida Panhandle at the Gulf of Mexico.
- Several short segments of Old Frederick Rd. and Rogers Ave. east of US 29 remain part of the Maryland State Highway Administration's route log; they are designated as part of Maryland Route 985.
