Federal Route 81, or Jalan Behor Lateh,^[1] is a federal road in Perlis, Malaysia, that links Route 7 to Kuala Perlis.^[2]

The Kilometre Zero of the Federal Route 81 starts at Kuala Perlis Post Office in Kuala Perlis.

At most sections, the Federal Route 81 was built under the JKR R5 road standard, allowing maximum speed limit of up to 90 km/h.

From Kampung Titi Serong to Jalan Besar junctions, it overlaps with Changlun-Kuala Perlis Highway (Federal Route 194).

Km	Exit	Junctions	To	Remarks
5.6		Simpang Empat Kuala Perlis	North FT 7 Kangar FT 7 Padang Besar East FT 186 Kangar Bypass Padang Behor South FT 7 Alor Star	Junctions
		Kampung Titi Serong
		Kampung Titi Serong-Jalan Besar junctions	see also FT 81 FT 194 Changlun-Kuala Perlis Highway
		Jalan Besar junctions	FT 81 FT 194 Changlun-Kuala Perlis Highway West Kuala Perlis	T-junctions
		Jalan Bukit Kubu	North R103 Jalan Bukit Kubu Bukit Kubu	T-junctions
		Kuala Perlis Jalan Kuala Perlis	West FT 263 Jalan Kuala Perlis Kuala Perlis Ferry Terminal (Ferry to Langkawi Island) Kuala Perlis Bus and Taxi Terminal	T-junctions
		Kuala Perlis Klinik Kesihatan Kuala Perlis (Kuala Perlis Health Clinic)
FT 81 0		Kuala Perlis Kuala Perlis Pos Office
		Kuala Perlis Sekolah Jenis Kebangsaan (Cina) Choon Siew
		Kuala Perlis Sekolah Kebangsaan Kuala Perlis
		Kuala Perlis Jalan Miri	Jalan Miri	T-junctions
		Kuala Perlis Persiaran Putra Timur	R144 Persiaran Putra Timur West Kuala Perlis Ferry Terminal (Ferry to Langkawi Island) Kuala Perlis Bus and Taxi Terminal East Bukit Kubu	Junctions