Marker title Image Date dedicated Location Marker type Topics Arthur St. Clair December 10, 1946 U.S. 30, 6.5 miles NW of Ligonier 40°17′07″N 79°19′15″W / 40.2854°N 79.3209°W / 40.2854; -79.3209 (Arthur St. Clair ) Roadside American Revolution, Government & Politics, Government & Politics 18th Century, Military Arthur St. Clair (1737-1818) October 28, 1995 St. Clair Park, N. Main St. near E Otterman St., Greensburg Roadside American Revolution, Ethnic & Immigration, Government & Politics, Government & Politics 18th Century, Military Banana Split, The August 23, 2013 805 Ligonier St., Latrobe 40°19′00″N 79°23′07″W / 40.31666°N 79.38534°W / 40.31666; -79.38534 (The Banana Split ) Roadside Entrepreneurs, Invention Brush Creek Salems Church May 26, 1952 U.S. 30 near Adamsburg, near Bush Run Markers (Missing) Roadside Religion Bullet's Defeat June 10, 2003 Old Forbes Road, SR1010 50, Ligonier Roadside Forts, French & Indian War, Military Bushy Run December 10, 1946 U.S. 30 at Lowry Ave., S end of Jeanette 40°18′39″N 79°37′08″W / 40.31087°N 79.61892°W / 40.31087; -79.61892 (Bushy Run ) Roadside Early Settlement, Forts, French & Indian War, Military, Native American, Transportation Bushy Run December 10, 1946 Pa. 66 at Pittsburgh St. (old U.S. 22), Delmont 40°24′51″N 79°34′21″W / 40.41412°N 79.57252°W / 40.41412; -79.57252 (Bushy Run ) Roadside Early Settlement, Forts, French & Indian War, Military, Native American Bushy Run Battlefield September 14, 1964 At site, Pa. 993, 1 mile E of Harrison City 40°21′21″N 79°37′32″W / 40.35577°N 79.6256°W / 40.35577; -79.6256 (Bushy Run Battlefield ) Roadside Forts, French & Indian War, Military, Native American Christian B. Anfinsen (1916-1995) October 1, 1999 3rd & Donner Avenues, Monessen City Education, Invention, Medicine & Science, Professions & Vocations Colonel Edward Cook October 29, 1994 Intersection near Rehoboth Church Roadside Early Settlement, Government & Politics, Government & Politics 18th Century, Military, Professions & Vocations, Whiskey Rebellion Dagworthy's Camp July 17, 1946 U.S. 30, 8.3 miles E of Greensburg (Missing) Roadside Forts, French & Indian War, Medicine & Science, Military Darr Mine Disaster September 14, 1994 Olive Branch Cemetery, Pa. 981 between Pa. 51 and Smithton 40°09′16″N 79°45′20″W / 40.15452°N 79.75562°W / 40.15452; -79.75562 (Darr Mine Disaster ) Roadside Business & Industry, Coal, Ethnic & Immigration, Labor Eddie Adams (1933-2004) May 29, 2016 Ninth St & Fourth Ave., New Kensington 40°33′54″N 79°45′59″W / 40.56503°N 79.76649°W / 40.56503; -79.76649 (Eddie Adams (1933-2004) ) Roadside Artists, Military Post-Civil War, Professions & Vocations, Publishing & Journalism Fairview Park August 19, 2017 Pittsburgh St./Old Wm. Penn Hwy. near Turner Ln., Delmont 40°24′22″N 79°33′06″W / 40.40614°N 79.55154°W / 40.40614; -79.55154 (Fairview Park ) Roadside African American, Religion, Sports & Recreation Fanny Sellins September 3, 1989 Front of Union Cemetery, Pa. 366, Arnold 40°34′56″N 79°45′28″W / 40.5821°N 79.75783°W / 40.5821; -79.75783 (Fanny Sellins ) Roadside Labor, Women Forbes Road July 13, 1960 U.S. 22, 1.2 miles E of Murrysville (Missing) Roadside French & Indian War, George Washington, Military, Roads Forbes Road November 11, 1967 Murrysville Roadside French & Indian War, George Washington, Military, Roads Forbes Road n/a U.S. 22, 1.2 miles E of Murrysville 40°25′23″N 79°39′49″W / 40.42308°N 79.66362°W / 40.42308; -79.66362 (Forbes Road ) Roadside French & Indian War, George Washington, Military, Roads Forbes Road, 1758, Fort Bedford to Fort Duquesne - 12 Mile Run Encampment (PLAQUE) 1930 Rt. 30 next to Latrobe Airport runway (?) Plaque French & Indian War, Military, Roads Forbes Road, 1758, Fort Bedford to Fort Duquesne - Fort Ligonier (PLAQUE) 1930 301 E Main St., half block from public sq., Ligonier Plaque Forts, French & Indian War, Military, Roads Forbes Road, 1758, Fort Bedford to Fort Duquesne - Turtle Creek Defile (PLAQUE) 1930 Rt. 22 at Priority Ln., at Post Office, Murrysville Plaque French & Indian War, George Washington, Military, Roads Fort Allen December 10, 1946 Pa. 136 at SR 3097, Hempfield Twp, SW of Greensburg 40°17′01″N 79°35′33″W / 40.28348°N 79.5924°W / 40.28348; -79.5924 (Fort Allen ) Roadside American Revolution, Early Settlement, Ethnic & Immigration, Forts, Military, Native American Fort Allen - PLAQUE May 1, 1929 At church, SR 3097 & St. Johns Church Rd., .5 mile S of PA 136 SW of Greensburg 40°16′45″N 79°35′30″W / 40.27905°N 79.59163°W / 40.27905; -79.59163 (Fort Allen - PLAQUE ) Plaque American Revolution, Forts, Dunmore's War, Military Fort Ligonier December 10, 1946 Main & Market Sts., Ligonier 40°14′28″N 79°14′06″W / 40.24123°N 79.23505°W / 40.24123; -79.23505 (Fort Ligonier ) Roadside Forts, French & Indian War, Military, Native American Fred McFeely Rogers (1928-2003) June 11, 2016 James H. Rogers Park at Main & Jefferson Sts., Latrobe 40°18′58″N 79°23′08″W / 40.31601°N 79.38547°W / 40.31601; -79.38547 (Fred McFeely Rogers ) Roadside Television, Popular Culture, Celebrity Hannastown December 6, 1946 U.S. 119 at SR 1032 (Forbes Rd.) N of Greensburg (Missing) Roadside American Revolution, Government & Politics, Government & Politics 18th Century, Native American Henry Clay Frick December 10, 1946 Pa. 819 at SR 3089 (old U.S. 119) N end of Scottdale Roadside Business & Industry, Coal, Professions & Vocations, Steel Idlewild Park October 6, 2012 Rt. 30E, at park exit gate, Ligonier Twp. 40°15′50″N 79°16′47″W / 40.26378°N 79.27981°W / 40.26378; -79.27981 (Idlewild Park ) Roadside Business & Industry, Railroads, Sports & Recreation John W. Geary August 23, 1951 S. Diamond St. & Union Alley, Mount Pleasant Veterans Park Roadside Civil War, Government & Politics, Government & Politics 19th Century, Governors, Military Johnston House December 10, 1946 U.S. 30, 7 miles NW of Ligonier Roadside Buildings, Government & Politics, Government & Politics 19th Century, Governors, Houses & Homesteads Loyalhanning December 10, 1946 U.S. 30 just SE of Ligonier 40°14′13″N 79°13′50″W / 40.23707°N 79.23042°W / 40.23707; -79.23042 (Loyalhanning ) Roadside Early Settlement, Native American Mammoth Mine Explosion September 29, 2000 St. John's Cemetery, along Rt. 819, Scottdale 40°05′35″N 79°36′09″W / 40.09303°N 79.6024°W / 40.09303; -79.6024 (Mammoth Mine Explosion ) Roadside Business & Industry, Labor Morewood Massacre September 29, 2000 Rt. 119 overpass on Rt. 981 (Moorewood Rd.), E Huntington Twp. Roadside Business & Industry, Labor Murrysville Gas Well July 13, 1960 US 22, between Trafford Rd. and Reed Blvd., Murrysville 40°25′37″N 79°41′51″W / 40.42702°N 79.69762°W / 40.42702; -79.69762 (Murrysville Gas Well ) Roadside Business & Industry, Oil & Gas Norvelt September 8, 2002 Mt. Pleasant Road (LR 6406), on V.F.D. property, Norvelt 40°12′34″N 79°29′51″W / 40.20942°N 79.4974°W / 40.20942; -79.4974 (Norvelt ) Roadside Business & Industry, Government & Politics, Government & Politics 20th Century, Labor Rural Free Delivery June 26, 2001 135 West Pennsylvania Ave., New Stanton 40°12′58″N 79°36′36″W / 40.216°N 79.6099°W / 40.216; -79.6099 (Rural Free Delivery ) Roadside Government & Politics 19th Century, Government & Politics 20th Century, Transportation St. Vincent December 10, 1946 U.S. 30, 6.6 miles E of Greensburg at College (Missing) Roadside Education, Religion St. Xavier's December 10, 1946 US 30 at St. Xavier's Rd., 6 miles E of Greensburg at Academy 40°16′57″N 79°24′59″W / 40.28263°N 79.41637°W / 40.28263; -79.41637 (St. Xavier's ) Roadside Education, Ethnic & Immigration, Religion, Women Standard Shaft Mine & Coke Works April 14, 2007 Along State St. (SR 2007), Mt. Pleasant Twp. Roadside Business & Industry, Coal, Ethnic & Immigration Stephanie Kwolek (1923-2014) October 1, 2016 734 7th St., New Kensington 40°33′45″N 79°45′42″W / 40.56256°N 79.76159°W / 40.56256; -79.76159 (Stephanie Kwolek ) Roadside Science & Medicine, Military, Police and Safety, Professions & Vocations, Women Toll House May 28, 1955 E. Pittsburgh St., east of Stark St., Greensburg 40°18′10″N 78°28′11″W / 40.3028°N 78.4696°W / 40.3028; -78.4696 (Toll House ) City Roads, Transportation Toll House May 28, 1955 Mount Odin Park, Tollgate Hill Rd. (Bus. Rt. 30), Greensburg 40°18′22″N 78°25′50″W / 40.3062°N 78.4306°W / 40.3062; -78.4306 (Toll House ) City Roads, Transportation Twelve Mile Camp December 10, 1946 Junction U.S. 30 & Pa. 981, 7.1 miles E of Greensburg Roadside French & Indian War, George Washington, Military Vandergrift May 17, 1990 Municipal Bldg. E lawn, Washington Ave. Near Custer Ave. (Rt. 56), Vandergrift 40°36′15″N 79°33′53″W / 40.60407°N 79.56483°W / 40.60407; -79.56483 (Vandergrift ) City Business & Industry, Cities & Towns West Newton December 10, 1946 W Main St. (PA 136) at Youghiogheny River bridge, West Newton 40°12′41″N 79°46′13″W / 40.21138°N 79.77033°W / 40.21138; -79.77033 (West Newton ) Roadside Government & Politics, Government & Politics 18th Century Westmoreland County November 25, 1981 NE corner, Courthouse Square, Main & Otterman Sts., Greensburg 40°18′11″N 78°27′20″W / 40.303°N 78.4555°W / 40.303; -78.4555 (Westmoreland County ) City Government & Politics, Government & Politics 18th Century William Findley October 28, 1994 Route 981 near Route 30, Latrobe Roadside Government & Politics, Government & Politics 18th Century, Whiskey Rebellion Willie Thrower (1930-2002) October 24, 2003 Valley High School, 703 Stevenson Blvd., New Kensington 40°33′56″N 79°45′18″W / 40.5656°N 79.75495°W / 40.5656; -79.75495 (Willie Thrower ) Roadside African American, Football, Sports 
