diff --git a/src/lang/traditional_chinese.txt b/src/lang/traditional_chinese.txt
--- a/src/lang/traditional_chinese.txt
+++ b/src/lang/traditional_chinese.txt
@@ -2131,6 +2131,7 @@ STR_LAND_AREA_INFORMATION_AIRPORTTILE_NAME                      :{BLACK}機場區域名稱: {LTBLUE}{STRING}
 STR_LAND_AREA_INFORMATION_NEWGRF_NAME                           :{BLACK}NewGRF：{LTBLUE}{STRING}
 STR_LAND_AREA_INFORMATION_CARGO_ACCEPTED                        :{BLACK}接收貨物：{LTBLUE}
 STR_LAND_AREA_INFORMATION_CARGO_EIGHTS                          :({COMMA}/8 {STRING})
+STR_LANG_AREA_INFORMATION_RAIL_SPEED_LIMIT                      :{BLACK}軌道速限：{LTBLUE}{VELOCITY}
 
 # Description of land area of different tiles
 STR_LAI_CLEAR_DESCRIPTION_ROCKS                                 :石頭
@@ -4118,3 +4119,5 @@ STR_BUS                                 
 STR_LORRY                                                       :{BLACK}{LORRY}
 STR_PLANE                                                       :{BLACK}{PLANE}
 STR_SHIP                                                        :{BLACK}{SHIP}
+
+STR_TOOLBAR_RAILTYPE_VELOCITY                                   :{STRING} ({VELOCITY})