 While with the expressway, it is 335 kilometres from Kuala Lumpur and 90 kilometres to Alor Star.People is to start ramping into the Seberang Jaya highway flyover to go down to the capital after coming out Permatang Pauh Interchange.The Permatang Pauh highway town interchange is the fifth largest highway interchange in Penang after the Perai and Seberang Jaya interchange.