K4

K4 or K-4 may mean:

K-4 (Kansas highway)

K-4 is the longest designated state highway in Kansas traversing from north of Scott City at US-83 to US-59 near Nortonville in northeast Kansas. A segment of the highway in Saline County overlaps Interstate 135, and a section in Topeka runs concurrent with Interstate 70.

Route description

Western Kansas

K-4 roughly parallels K-96 between its western terminus and the K-14 junction in Rice County. The route begins in rural Scott County at an intersection with U.S. Route 83. Sixteen miles (26 km) east of here, it passes through the town of Healy. Six miles (10 km) further east, it has a 2 mi (3 km) concurrency with K-23. K-4 next serves the towns of Shields, Utica, Arnold, and Ransom, before intersecting US-283. After passing through Brownell, K-4 serves as the southern terminus of K-147. K-4 then turns southward to bisect McCracken before turning to the east to cross US-183 in La Crosse, the county seat of Rush County.

From La Crosse, K-4 heads due east, running through Otis as it approaches the Barton County line. It then meets US-281 in a T-intersection and begins an overlap with it. This overlap carries the two routes through to Hoisington, where they split up. K-4 then runs through Redwing and Claflin. East of Claflin, K-4 has a full folded diamond interchange with K-156. K-4 bypasses Bushton (which can be accessed via K-171) and cuts through Frederick before having a junction with K-14. It then runs just north of Geneseo and along the Rice/Ellsworth County line. The highway then moves fully into Ellsworth County, where it meets the south end of K-141.

K-4 (SLBM)

K-4 is a nuclear capable intermediate range submarine-launched ballistic missile under development in the 2000s–2010s by Defence Research and Development Organisation of India to arm the Arihant-class submarine and to complement or replace K-15 Sagarika missile.

The missile has a reported effective range of over 3500 km.

Development

The development of the K-4 was undertaken after facing significant difficulties in compacting similarly capable Agni-III to equip INS Arihant which has a limited 17-metre (56 ft)-diameter hull. K-4 has range comparable to Agni-III with major length reduction from 17 metres (56 ft) to 12 metres (39 ft). The gas-booster designed for K-4 was successfully tested from a submerged pontoon in 2010.

Description

The missile is reported to be 12 metres (39 ft) long with a diameter of 1.3 metres (4 ft 3 in) and weighs nearly 17 tonnes (19 tons). It can carry a warhead weighing up to 2 tonnes (2.2 tons) and is powered solid rocket propellant. DRDO stated that the aim of the missile was to achieve a high accuracy.