In 1941, the route was signed on the current PA 98 alignment from the US 6/US 322 and US 19 intersection to the current PA 102 intersection.

In 1955, the designation used to bypass Meadville on the current PA 98 alignment, and in that year was moved to its current alignment.

Originally turned at Wildwood Road and then followed the current PA 304 alignment into Mifflinburg until 1946.  It was in that year that the new alignment between Wildwood and Mifflinburg opened.

In 1972, the eastern terminus was moved to its current location when the US 119 bypass opened to traffic.  Also, the western terminus was moved to Creekside from US 119 at Chambersville Road via current SR 4008.

The route has been commemorated in drink by Sly Fox Brewing Company of Phoenixville with their Route 113 India Pale Ale.  The brewpub where it was created just happens to be located on PA 113.

In 1929, the route was under construction from Farragut to Loyalsock, and Trucksville to Luzerne and completed the following year.  Also paved in 1930 was from Kreller Drive to Pikes Creek.  In 1932, the route was paved from Loyalsock to Ogdonia and from Lincoln Falls to Forksville were paved.  Also from Coles Creek to Kreller Drive was paved.  In 1935, the section from Mountain Whiskey Road to US 220 and US 220 to Forksville were paved.  That year the southern terminus was moved from Swiftwater to Saylorsburg  In 1936, the northern terminus was moved from US 220 in Montoursville to Mausdale.  The southern terminus was moved to Easton.  In 1938, the section from Jerseytown to Millville was paved.

In 1940, the section between Spike Blue Road and the Columbia County line was improved.  In 1941, the section from Spike Blue Road to PA 342 was paved.  In 1946, the northern terminus was moved to Milton.

In 1951, construction began on a new alignment from north of Divide to west of Red Rock and opened in 1952.  With that, the western terminus was moved from Milton to Hughesville.

In 1960, the new expressway between Saylorsburg and PA 512 opened and the designation was moved onto it.  In 1961, the northern terminus was moved from US 220 in Hughesville to its current location.  It used to follow Kidder Street, Butler Street, Main Street, Courtright Street, Carey Avenue, and Pierce Street in Wilkes-Barre.

In 1972, the southern terminus was moved from PA 248 in Easton to its current location.  The former route followed Third Street, College Avenue, Catell Avenue, and Knox Avenue north along Sullivan Trail.  In 1978, the northern terminus was moved from Scott Street at PA 309, down Bulter Street, River Street, and Pierce Street replacing PA 309 on that street.

Until 1985, the northern terminus was at US 11/PA 309 in Kingston.  It crossed the Susquehanna River via the Veterans Memorial Bridge and onto North Street, turned onto Wilkes-Barre Boulevard and then Kidder Street.  It was moved then to PA 309 at Butler Street.  The northern terminus was moved to its current location in 1992 when the Crossvalley Expressway opened to Interstate 81. 

Signed in 1961 on its current alignment.  Construction on a new alignment west of Lairdsville began in 1961 and opened a year later.

In 1940, the section between Mundell Hollow Road to just south of Fordyce was improved.  In 1946, the route was paved between Garards Fort Road and Fordyce Road and north and south of Whiteley Maple.  In 1950, the route was decommisioned.

Signed in 1961 on its current alignment.

In 1930, the route was paved from Craley to New Bridgeville.  In 1932, the route was paved from New Bridgeville to York Furnace and from Pequea to Martic Forge.  In 1936, the eastern terminus was moved from Lancaster to Fawn Grove.

In 1946, the section from Miller Road to Bald Eagle was paved.  In 1966, the eastern terminus was moved from Fawn Grove to its current location.

In 1941, the designation was moved from PA 26 one mile north of the Maryland state line to Warfordsburg.

Construction began on a new alignment from the area of Exit 156 to Crystal Spring, which would bypass Emmaville, in 1952 and was completed a year later.

In 1962, the designation was moved onto the new alignment of I-70 from what is Old Route 126 to Stoneybreak and PA 484 to Warfordsburg.  In 1963, the designation was moved onto I-70 from Maryland to Exit 156.

In 1978, the northern terminus was moved from PA 27 north of Newton Station over current SR 3009 to its current location.

In 1978, the northern terminus was moved from Manorville to its current location via Hill Street.  Originally it traveled down Fifth Avenue to end at PA 66.

On February 15, 2002, the route was changed between Dock Hollow and Cadogan, and replaced SR 3017 between Dock Hollow and Slate Lick and SR 3006 between Slate Lick and Cadogan.  The former route received the SR 3128 designation.  The changes were due to improvements to the road system and development around Slate Lick.

A median was installed on the remaining section from US 13 to Interstate 95 in 1971, thus making PA 132 a four lane, divided highway for its entire length.

Signed on its current alignment in 1964.

In 1940, the section from the south end of Sproul State Forest to the Clinton County line, in Sproul State Forest, Clinton County line to just north of Cross Fork was paved.

In 1967, the southern terminus was moved from Moshannon to Potters Mills.  A median was installed in 1969 from Alternate US 220 to Milesburg.

Widening and median installation work began on the section from US 22 to Laurys Station in 1970.  Work completed in 1972.

In 1987, the southern terminus was moved from US 22 in Allentown to its current location.

Signed in current location in 1963.

Construction began on the expressway in 1969, from PA 642 to south of Muncy.  In 1970, work extended from Chillisquaque to PA 642.  In 1971, the sections from PA 642 to the McEwensville interchange and from PA 54 to the Main Street interchange opened to traffic. Only the latter section received the 147 designation.  Also in 1971, construction began on the section from the Main Street interchange to US 220.  In 1972, the sections from Chillisquaque to PA 642 and from the McEwensville interchange to PA 54 opened, and with that, the designation moved onto the expressway.  In 1974, the rest of the expressway opened to US 220 and the new northern terminus became the interchange at US 220. 

In 1984, the northern terminus was moved to its current location.  In 2002, work to build the northbound lanes between Chillisquaque and PA 642 began and concluded in Fall 2004.

Signed in the current location in 1950.  In 1955, the northbound traffic was moved to Ninth Avenue and Market Street, while southbound traffic used Walnut Street.

In 1976, the route was changed to its present direction in McKeesport.  Prior to that, the route was split with splitting at Ninth Avenue, and continuing north on Market Street and turning onto Lysle Boulevard.  Southbound used the current route on Walnut Street.

In 1988, rehabilitation began on Lysle Boulevard in McKeesport from the McKeesport-Duquesne Bridge to the Fifth Avenue Bridge.  The work comprised of rebuilding the roadway and sidewalks, and replacing the traffic signals and street lights.  Construction was completed in late 1988.

The original southern terminus was PA 148 at the 15th Street Bridge, but in the late 1980s when the bridge was rehabilitated, the ramp that carried Truck PA 148 to the intersection was demolished.

A median was installed in 1969 from Alternate US 220 to Milesburg.

The designation was extended northward in 1978 to replace US 220 after its new expressway alignment opened.  In 1979, the southern terminus was moved to its current location from Hublersburg.