Central Spine Road
Central Spine Road (CSR) or Kuala Krai–Kuala Pilah Highway, Federal Route 34, is a new toll-free highway under construction in the center of Peninsular Malaysia. The 325 km (201 miles) highway is built to eventually replace the former two-lane Federal Route 8 Gua Musang Highway and Federal Route 9 Karak–Tampin highway. Construction of CSR starts at Package 3 which is from Merapoh to Kampung Relong. It commences at Package 3 as the Gua Musang Highway passes through Chegar Perah which is prone to roadkill. The highway has a long eco-viaduct built in this section. Package 5 which is from north Raub to Karak will be built next, which will connect it to E8 Kuala Lumpur–Karak Expressway bypassing Bentong and Mempaga. This will help detour traffic from the steep mountainous grade between Raub and Bentong.
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| Kuala Krai–Kuala Pilah Highway, Central Spine Road | |
| Route information | |
| Length | 325.0 km (201.9 mi) |
| Major junctions | |
| North end | Kuala Krai, Kelantan |
   Kuala Lumpur–Karak Expressway Federal Route 2 Simpang Pulai–Kuala Berang Highway | |
| South end | Simpang Pelangai, Pahang / Kuala Pilah |
| Location | |
| Primary destinations | Gua Musang Sungai Yu Chegar Perah Kampung Relong Kuala Lipis Raub / Sungai Ruan Bentong Karak Mempaga / Kuala Pilah |
| Highway system | |
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History
- On 15 December 2016, section 3H (Kg. Kechur to Kg. Sbrg. Jelai) was opened to traffic
- Phase 1 is a 51km stretch from Kuala Krai to Jambatan Sungai Lakit in Kelantan.
- Phase 2 spans 63km from Jambatan Sungai Lakit to Gua Musang in Kelantan
- Phase 3 covers 107km from Gua Musang to Kampung Relong in Pahang.
- Phase 4 comprises 56km from Kampung Relong to Raub in Pahang
- Phase 5, 54km from Raub to Bentong
- Phase 6, is 47km and connects Bentong and Simpang Pelangai.
Features
- Four lanes, two on each side[1]
- A long eco-viaduct for wild animals crossing
- Some sections are concrete paved, making CSR as the only newly completed road paved using concrete
In most sections, the original Federal Route was built under JKR R5 road standards, allowing maximum speed limit of up to 90 km/h.
From Kampung Sungai Yu to Chegar Perah and from Chegar Perah to Bukit Tujuh, it overlaps Federal Route 8 Merapoh Highway.
Federal Route 8 may eventually remain as an alternative route.
There are no sections with motorcycle lanes.
List of interchanges
| Km | Exit | Interchange | To | Remarks | |
|---|---|---|---|---|---|
| Kuala Krai | |||||
 Central Spine RoadPackage 1 Start/End of highway Under construction | |||||
| Central Spine Road Package 1 Under construction | |||||
| Sungai Lakit Bridge | |||||
| Central Spine Road Package 2 Under construction | |||||
| Central Spine Road Package 2 Under construction | |||||
| Gua Musang | |||||
| Central Spine Road Package 3 Under construction | |||||
| Mentara | |||||
| Kelantan Darul Naim Gua Musang district border | |||||
| Kelantan–Pahang border | |||||
| Pahang Darul Makmur Lipis district border | |||||
| Central Spine Road Under construction | |||||
| Central Spine Road Package 3 (Gua Musang–Kampung Relong) Section 3F JKR border limit | |||||
| Kubang Rusa Interchange |  Merapoh Highway West Kampung Kubang Rusa Merapoh Gua Musang Kuala Krai Kota Bharu Simpang Pulai–Kuala Berang HighwayCameron Highland Ipoh Tasik Kenyir Kuala Terengganu East Kampung Sungai Yu Pusat Rekreasi Sungai Yu | Parclo B-2 interchange | |||
| Sungai Yu Eco-Viaduct Eco-Viaduct | |||||
| Sungai Yu Interchange | Merapoh Highway West Kampung Sungai Yu Pusat Rekreasi Sungai Yu Merapoh | Trumpet interchange | |||
| Chegar Perah | Merapoh Highway West Chegar Perah | LILO Kuala Krai bound | |||
| Chegar Perah | Merapoh Highway West Chegar Perah | LILO Kuala Krai bound | |||
| U-Turn | Central Spine Road U-Turn Chegar Perah Sungai Yu Kubang Rusa Mentara Gua Musang Kuala Krai Kota Bharu | U-Turn south bound Under Construction | |||
| Central Spine Road Package 3 (Gua Musang–Kampung Relong) Section 3F JKR border limit | |||||
| Central Spine Road Under construction | |||||
| FELDA Telang | |||||
| Kampung Kechur | |||||
| Central Spine Road Package 3 (Gua Musang–Kampung Relong) Section 3H JKR border limit | |||||
| Kampung Seberang Jelai | |||||
| Central Spine Road Package 3 (Gua Musang–Kampung Relong) Section 3H JKR border limit | |||||
| Central Spine Road Package 3J Under construction | |||||
| Kampung Relong | |||||
| Central Spine Road Package 3 Under construction | |||||
| Central Spine Road Package 4 Under construction | |||||
| Lipis–Raub district border | |||||
| Central Spine Road Package 5 Under construction | |||||
| Raub | |||||
| Raub–Bentong district border | |||||
| Bentong Interchange | Federal Route 8 Bentong Bukit Fraser | Trumpet interchange Under construction | |||
| Mempaga Interchange | Mempaga | Trumpet interchange Under construction | |||
| Central Spine Road Package 5 Under construction | |||||
| KLK Interchange |  Kuala Lumpur–Karak ExpresswayWest Kuala Lumpur Genting Highlands East Gambang Kuantan Kuala Terengganu | Interchange Under construction | |||
| Central Spine Road Under construction | |||||
| Kampung Telemong | |||||
| Mancis | |||||
| Central Spine Road Start/End of highway Under construction | |||||
| Simpang Pelangai | Northwest Karak MancisSoutheast Kuala Klawang Kuala Pilah Seremban | T-junctions | |||
