number route written on the bottom. Provincial Route Sign Number: on the top of route number has combination letter "PROVINSI" with background color blue, followed by region code each regency or city and number route written on the bottom. The numbering is considered by these provision: The road sections that parallel to the coastline are given an odd number start from 1 (one) in every main island. The next numbering starts from left-right then top-down until the roads on the island have been mapped. The road sections that cross the island are numbered even, starting with the number 2 (two). Especially for Sulawesi Island, route numbering starts from the bottom of the island to the top of the island. Until 2019, Ministry of Transportation (Indonesia) has set 31 national routes on Java Island, 55 national routes on Sumatra Island, and 6 national routea on Bali Island. For toll road numbering, the ministry also has set 11 number routes on Java Island, 5 number routes on Sumatra Island, and 1 number route on Bali Island. Malaysia Route numbering in Malaysia is fairly simple. West All expressways (classified as an expressway by the Malaysian government) has a route number beginning with 'E', followed by a number. (e.g. North–South Expressway Northern Route and New Klang Valley Expressway) All federal roads can have any route number except those stated below. (e.g. Malaysia Federal Route 1) Industrial roads has a four-digit route number beginning with '3'. Roads build by the Federal Land Development Authority has a four-digit route number starting with '1' or '2'. Institutional facilities roads follow the normal numbering of federal roads. All state roads begins with a letter other than 'E', followed by a number. East Sabah All major roads in Sabah are federal roads. The route numbers are usually three-digits beginning with '5'. Route 1, 13 and 22 belong to the Pan Borneo Highway. Institutional roads route numbers have three-digits beginning with '6'. State roads normally begins with the letter 'SA', but some roads such as the Sapi-Nangoh Highway starts with the letter 'R'. Papar Spur-Pengalat-Lok Kawi Road and Beluran Road begin with the letter 'A' which is derived from the old route numbering scheme, though both of them are state roads. Sarawak Federal roads in Sarawak are divided into sections. They have a main route number of '1', referring to the whole stretch of the route (i.e. Pan Borneo Highway),