diff --git a/src/openrct2/rct1/S4Importer.cpp b/src/openrct2/rct1/S4Importer.cpp
index 280bb1160d..4c1e4d1f22 100644
--- a/src/openrct2/rct1/S4Importer.cpp
+++ b/src/openrct2/rct1/S4Importer.cpp
@@ -1090,7 +1090,12 @@ private:
         for (int i = 0; i < 32; i++)
         {
             uint16 originalSpriteIndex = vehicle->peep[i];
-            if (originalSpriteIndex != SPRITE_INDEX_NULL)
+            if (originalSpriteIndex >= RCT1_MAX_SPRITES)
+            {
+                vehicle->peep[i] = SPRITE_INDEX_NULL;
+                log_warning("Incorrect sprite index: %d", originalSpriteIndex);
+            }
+            else if (originalSpriteIndex != SPRITE_INDEX_NULL)
             {
                 vehicle->peep[i] = spriteIndexMap[originalSpriteIndex];
             }
diff --git a/src/openrct2/rct1/tables.cpp b/src/openrct2/rct1/tables.cpp
index 6f5b3abf80..ad1f4313a7 100644
--- a/src/openrct2/rct1/tables.cpp
+++ b/src/openrct2/rct1/tables.cpp
@@ -272,13 +272,13 @@ namespace RCT1
             { COPY_COLOUR_1, COPY_COLOUR_2, COLOUR_BLACK }, // RCT1_VEHICLE_TYPE_STEEL_ROLLER_COASTER_TRAIN_BACKWARDS,
             { COPY_COLOUR_1, COPY_COLOUR_2, COLOUR_BLACK }, // RCT1_VEHICLE_TYPE_WOODEN_ROLLER_COASTER_TRAIN,
             { COPY_COLOUR_1, COPY_COLOUR_2, COLOUR_BLACK }, // RCT1_VEHICLE_TYPE_INVERTED_COASTER_TRAIN, // Not in RCT2
-            { COPY_COLOUR_1, COPY_COLOUR_2, COLOUR_BLACK }, // RCT1_VEHICLE_TYPE_SUSPENDED_SWINGING_CARS,
+            { COPY_COLOUR_1, COPY_COLOUR_2, COPY_COLOUR_2 }, // RCT1_VEHICLE_TYPE_SUSPENDED_SWINGING_CARS,
             { COPY_COLOUR_1, COPY_COLOUR_2, COLOUR_BLACK }, // RCT1_VEHICLE_TYPE_LADYBIRD_CARS,
-            { COPY_COLOUR_1, COPY_COLOUR_2, COLOUR_BLACK }, // RCT1_VEHICLE_TYPE_STANDUP_ROLLER_COASTER_CARS,
+            { COPY_COLOUR_1, COPY_COLOUR_1, COPY_COLOUR_2 }, // RCT1_VEHICLE_TYPE_STANDUP_ROLLER_COASTER_CARS,
             { COPY_COLOUR_1, COPY_COLOUR_2, COLOUR_BLACK }, // RCT1_VEHICLE_TYPE_SPINNING_CARS,
             { COPY_COLOUR_1, COPY_COLOUR_2, COLOUR_BLACK }, // RCT1_VEHICLE_TYPE_SINGLE_PERSON_SWINGING_CHAIRS,
             { COPY_COLOUR_1, COPY_COLOUR_2, COLOUR_BLACK }, // RCT1_VEHICLE_TYPE_SWANS_PEDAL_BOATS,
-            { COPY_COLOUR_1, COPY_COLOUR_2, COLOUR_BLACK }, // RCT1_VEHICLE_TYPE_LARGE_MONORAIL_TRAIN,
+            { COPY_COLOUR_1, COPY_COLOUR_2, COLOUR_DARK_BLUE }, // RCT1_VEHICLE_TYPE_LARGE_MONORAIL_TRAIN,
             { COPY_COLOUR_1, COPY_COLOUR_2, COLOUR_BLACK }, // RCT1_VEHICLE_TYPE_CANOES,
             { COPY_COLOUR_1, COPY_COLOUR_2, COLOUR_BLACK }, // RCT1_VEHICLE_TYPE_ROWING_BOATS,
             { COPY_COLOUR_1, COPY_COLOUR_2, COLOUR_BLACK }, // RCT1_VEHICLE_TYPE_STEAM_TRAIN,