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Maryland Route 135 (MD 135) is a state highway in the U.S. state of Maryland. Known for most of its length as Maryland Highway, the state highway runs from U.S. Route 219 (US 219) in Oakland in Garrett County east to US 220 in McCoole in Allegany County. MD 135 is the main link between the towns of Oakland, Mountain Lake Park, Loch Lynn Heights, and Deer Park on the Appalachian Plateau and the communities of Bloomington, Luke, Westernport, and McCoole in the upper valley of the Potomac River. These groups of towns are separated by Backbone Mountain. MD 135 was originally built in the early 1930s as a link between McCoole and Westernport. In the late 1930s, the state highway was extended west to Bloomington. In addition, a separate segment of MD 135 was completed around Swanton in the mid-1930s. These separate segments were unified in the early 1950s when the highway over Backbone Mountain was completed. In the late 1950s, MD 135 was extended west over a portion of MD 38 and all of Maryland Route 41 to Oakland, and was mostly rebuilt over its entire length, bypassing Bloomington, Swanton, Deer Park, and Mountain Lake Park. MD 135 remains notorious for the eastbound descent from Backbone Mountain, which has claimed many lives. The Maryland State Highway Administration has instituted many measures to get trucks down the mountain safely and to avoid the downgrade if possible. ==Route description== MD 135 begins at an intersection with US 219 on the eastern edge of Oakland. Northbound US 219 (Oak Street) continues straight west into downtown Oakland, southbound US 219 (Garrett Highway) heads south toward Red House, and 9th Street heads north along the alignment of the future Oakland Bypass. MD 135 heads east through Mountain Lake Park as Maryland Highway, a controlled access two-lane highway. Oakland Drive, which is unsigned MD 825B, splits to the northeast to serve residential areas on the north side of town. The old alignment rejoins MD 135 at G Street before access controls cease upon crossing the Little Youghiogheny River. The state highway intersects MD 560 (Paull Street), which heads south into Loch Lynn Heights. After crossing the river again, MD 135 leaves Mountain Lake Park. The state highway passes scattered residences, farms, and businesses before entering Deer Park. After passing Deer Park Hotel Road, which passes the Pennington Cottage, MD 135 intersects the old alignment of MD 38, which is Sand Flat Road to the north and Main Street to the south. The state highway passes the historic home Glamorgan and Edgewood Drive, part of the old alignment of MD 38, before leaving Deer Park. Upon reaching the hamlet of Altamont, MD 495 (Swanton Road) continues straight northeast toward Swanton while MD 135 turns to the southeast.〔〔 MD 135 heads straight southeast toward a grade-separated crossing of CSX's Mountain Subdivision very close to the railroad's crossing of the Eastern Continental Divide. The state highway curves to the northeast and gently ascends Backbone Mountain. A scenic overlook marks the highest point on MD 135 () shortly before the intersection with MD 38 (Kitzmiller Road).〔 The state highway continues northeast along the ridgeline through Potomac-Garrett State Forest and intersects Swanton Road and a few roads on the south side of the highway that access Jennings Randolph Lake. Upon leaving the state forest, MD 135 begins to pass scattered residences ahead of the descent of Backbone Mountain, which has grades as steep as 9%. Trucks are required to stop at three different brake check locations and obey a posted speed limit of .〔 After Bloomington Hill Road splits to the north and the state highway passes the third brake check stop, a runaway truck ramp splits to the south.〔 The downhill grade eases as MD 135 enters Bloomington, where the name of the highway changes to Bloomington Road. After passing through residential areas, the state highway crosses the Mountain Subdivision and the Savage River before meeting Savage Hillside Road at a T intersection in front of Franklin Hill.〔〔 MD 135 turns southeast into Allegany County and enters the town of Luke as Pratt Street. The state highway immediately intersects Masteller Road, which is unsigned MD 135D and meets the eastern end of the western segment of West Virginia Route 46 (WV 46) at the Potomac River. At a bend in the river, MD 135 makes a sharp turn to the north around the mountain and the road passes the large NewPage Corporation paper mill. The state highway turns east and its name changes to Church Street upon entering Westernport, where the highway intersects MD 36 (New Georges Creek Road), which crosses the Potomac River to become the eastern segment of WV 46. MD 135 crosses Georges Creek and meets the Georges Creek Railway at-grade before intersecting Main Street, which is unsigned MD 937. Upon leaving Westernport, the road's name changes to McCoole–Westernport Road. MD 135 parallels the Potomac River and Georges Creek Railway as it passes scattered residences and businesses. Upon reaching McCoole, the highway passes unsigned MD 135A, which provides an alternate access route to US 220 north. Shortly after, MD 135 reaches Paxton Street, which is officially MD 135B but is marked as MD 135. Paxton Street leads to a junction with US 220 (McMullen Highway). MD 135 itself continues east under the McCoole–Keyser bridge to its eastern terminus at the intersection of Queens Point Road and Golden Cross Street.〔〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Maryland Route 135」の詳細全文を読む スポンサード リンク
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