<page_title> List of state highways in Idaho </page_title> <section_title> State highways </section_title> <table> <cell> SH 40 <col_header> Number </col_header> <col_header> SH 1 </col_header> <col_header> SH 3 </col_header> <col_header> SH 4 </col_header> <col_header> SH 5 </col_header> <col_header> SH 6 </col_header> <col_header> SH 7 </col_header> <col_header> SH 8 </col_header> <col_header> SH 9 </col_header> <col_header> SH 11 </col_header> <col_header> SH 13 </col_header> <col_header> SH 14 </col_header> <col_header> SH 16 </col_header> <col_header> SH 19 </col_header> <col_header> SH 21 </col_header> <col_header> SH 22 </col_header> <col_header> SH 24 </col_header> <col_header> SH 25 </col_header> <col_header> SH 27 </col_header> <col_header> SH 28 </col_header> <col_header> SH 29 </col_header> <col_header> SH 31 </col_header> <col_header> SH 32 </col_header> <col_header> SH 33 </col_header> <col_header> SH 34 </col_header> <col_header> SH 36 </col_header> <col_header> SH 37 </col_header> <col_header> SH 38 </col_header> <col_header> SH 39 </col_header> </cell> <cell> 2.737 <col_header> Length (mi) </col_header> <row_header> SH 40 </row_header> </cell> <cell> 4.405 <col_header> Length (km) </col_header> <row_header> SH 40 </row_header> </cell> <cell> US-91 in Downey <col_header> Northern or eastern terminus </col_header> <row_header> SH 40 </row_header> </cell> </table>
State Highway 40 (SH-40) is a 2.737-mile-long (4.405 km) state highway in Idaho, serving Downey.