Question: What is the name for plastic water-filled barriers that you might find along the MacArthur Road highway in Pennsylvania?

<P0-S0> In legal disputes regarding product liability, a consumer expectations test is used to determine whether the product is negligently manufactured or whether a warning on the product is defective. <P0-S1>  Under this test, the product is considered defective if a reasonable consumer would find it defective. <P0-S2>  As an example, a reasonable consumer might find exposed blades on a lawnmower, without plastic guards that could be installed for pennies, to be defective because the risk of not having the plastic guards is higher than the costs of installing those guards. <SEP> <P1-S0> A Jersey barrier or Jersey wall is a modular concrete or plastic barrier employed to separate lanes of traffic. <P1-S1>  It is designed to minimize vehicle damage in cases of incidental contact while still preventing the crossover case of a head-on collision. <P1-S2>  Jersey barriers are also used to reroute traffic and protect pedestrians and workers during highway construction, as well as temporary and semi-permanent protections against landborne attack such as suicide vehicle bombs. <P1-S3>  Plastic water-filled barriers of the same general shape are also now commonly called Jersey barriers. <P1-S4>  A Jersey barrier is also known in the western United States as K-rail, or K-wall, a term borrowed from the California Department of Transportation specification for temporary concrete traffic barriers, or colloquially as a Jersey bump. <SEP> <P2-S0> Breadon Field was a minor league ballpark in Whitehall Township, Pennsylvania, located on the east side of MacArthur Road, about 0.5 mile north of the U.S. Route 22 interchange. <SEP> <P3-S0>  It connects Interstate 78 (I-78) and PA 309 in Lanark, Lehigh County to PA 248 in Weiders Crossing, Northampton County. <P3-S1>  PA 145 is the main north-south arterial into Allentown, the third-largest city in the state. <P3-S2>  The route enters the city on South 4th Street and follows multiple streets to downtown, where it follows the one-way pair of 6th Street northbound and 7th Street southbound. <P3-S3>  North of Allentown in Whitehall Township, a seven-mile (11.2 km) portion of PA 145 is known as MacArthur Road, named in honor of General Douglas MacArthur. <P3-S4>  MacArthur Road is a divided highway; between U.S. Route 22 (US 22) and Eberhart Road, it is six lanes wide with a Jersey barrier and jughandles while the remainder of the road a four-lane divided highway. <P3-S5>  MacArthur Road is the location of the main commercial center of the Lehigh Valley. <P3-S6> Pennsylvania Route 145 (PA 145) is a 20.89 mi long north–south state highway in the Lehigh Valley area of eastern Pennsylvania. <P3-S7>  North of Eagle Point, PA 145 becomes a two-lane undivided road that parallels the Lehigh River, crossing the river into Northampton County at Treichlers. <P3-S8>  The route continues along the east bank of the river and passes through Walnutport before reaching its northern terminus. <P3-S9>  PA 145 is dedicated as the Battle of the Bulge Veterans Memorial Highway in honor of the veterans who fought in the Battle of the Bulge.