The D|AX Alaskan AX|L|A|S|K|AX|N AX|L|AE|SH|K|AX|N AX|L|A|SH|K|AX|N frontier P|R|AX|N|T|IH|R F|R|AX|N|T|I|R P|R|AX|N|T|I|R has HH|A|Z HH|AE|S HH|A|S train T|R|A|N service SH|ER|V|AX|SH S|I R|V|AX|S SH|I R|V|AX|SH S|ER|B|AX|S SH|ER|B|AX|SH S|I R|B|AX|S SH|I R|B|AX|SH in I|N the D|AX summer SH|AH|M|ER S|O|M|ER SH|O|M|ER S|AH|M|I R SH|AH|M|I R S|O|M|I R SH|O|M|I R but B|O|T for P|AO|R F|U|R P|U|R the D|AX remainder R|I|M|E + I|N|D|ER R|IH|M|A|N|D|ER R|I|M|A|N|D|ER R|IH|M|E + I|N|JH|ER R|I|M|E + I|N|JH|ER R|IH|M|A|N|JH|ER R|I|M|A|N|JH|ER R|IH|M|E + I|N|D|I R R|I|M|E + I|N|D|I R R|IH|M|A|N|D|I R R|I|M|A|N|D|I R R|IH|M|E + I|N|JH|I R R|I|M|E + I|N|JH|I R R|IH|M|A|N|JH|I R R|I|M|A|N|JH|I R of O|V AH|B O|B the D|AX year Y|I|R the D|AX tracks T|R|A|K|S T|R|AE|K|SH T|R|A|K|SH are U|R impassable I|M|P|AE|S|AX|B|AX|L IH|M|P|A|S|AX|B|AX|L I|M|P|A|S|AX|B|AX|L IH|M|P|AE|SH|AX|B|AX|L I|M|P|AE|SH|AX|B|AX|L IH|M|P|A|SH|AX|B|AX|L I|M|P|A|SH|AX|B|AX|L