diff --git a/src/windows/ride_construction.c b/src/windows/ride_construction.c
index fba8fd2aca..22c0b2caf1 100644
--- a/src/windows/ride_construction.c
+++ b/src/windows/ride_construction.c
@@ -20,6 +20,89 @@
 
 #include "../addresses.h"
 #include "../interface/window.h"
+#include "../interface/viewport.h"
+#include "../game.h"
+
+/* move to ride.c */
+void sub_6b2fa9(rct_windownumber number){
+	rct_window* w;
+
+	w = window_find_by_number(WC_RIDE, number);
+	if (w){
+		if (w->page == 1){
+			window_close(w);
+		}
+	}
+}
+
+void window_construction_emptysub(){}
+void window_construction_close();
+
+void window_construction_maze_close();
+
+// 0x993F6C
+static void* window_construction_maze_events[] = {
+	window_construction_maze_close,
+	(void*)0x6CD461,
+	(void*)0x6CD623,
+	(void*)0x6CD48C,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	(void*)0x6CD767,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	(void*)0x6CD63E,
+	(void*)0x6CD65D,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	(void*)0x6CD435,
+	(void*)0x6CD45B,
+	window_construction_emptysub
+};
+
+//0x993EEC
+static void* window_construction_events[] = {
+	window_construction_close,
+	(void*)0x6C6E14,
+	(void*)0x6C7934,
+	(void*)0x6C6E6A,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	(void*)0x6C8374,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	(void*)0x6C8229,
+	(void*)0x6C8248,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	window_construction_emptysub,
+	(void*)0x6C6AD5,
+	(void*)0x6C6B86,
+	window_construction_emptysub
+};
 
 /**
  * 
@@ -28,6 +111,141 @@
 rct_window *window_construction_open()
 {
 	int eax, ebx, ecx, edx, esi, edi, ebp;
+	
+	int ride_id = RCT2_GLOBAL(0xF440A7, uint8);
+	sub_6b2fa9(ride_id);
+
+	rct_window *w;
+	rct_ride* ride = GET_RIDE(ride_id);
+	if (ride->type == RIDE_TYPE_MAZE){
+		w = window_create(0, 29, 166, 200, (uint32*)window_construction_maze_events, WC_RIDE_CONSTRUCTION, WF_9);
+
+		w->widgets = (rct_widget*)0x9D7D04;
+		w->enabled_widgets = 0x6F0001C4;
+
+		window_init_scroll_widgets(w);
+
+		w->colours[0] = 24;
+		w->colours[1] = 24;
+		w->colours[2] = 24;
+
+		w->number = ride_id;
+
+		window_push_others_right(w);
+		show_gridlines();
+		return w;
+	}
+
+	w = window_create(0, 29, 166, 394, (uint32*)window_construction_events, WC_RIDE_CONSTRUCTION, WF_9);
+
+	w->widgets = (rct_widget*)0x9D7A90;
+	w->enabled_widgets = 0x67C4FFFFEF;
+
+	window_init_scroll_widgets(w);
+
+	w->colours[0] = 24;
+	w->colours[1] = 24;
+	w->colours[2] = 24;
+
+	w->number = ride_id;
+
+	window_push_others_right(w);
+	show_gridlines();
+
+	RCT2_GLOBAL(0xF44070, uint32) = 0x80000000;
+	RCT2_GLOBAL(0xF440CD, uint8) = 8;
+	RCT2_GLOBAL(0xF440CE, uint8) = 18;
+	RCT2_GLOBAL(0xF440CF, uint8) = 4;
+
+	if (ride->type == RIDE_TYPE_REVERSE_FREEFALL_COASTER){
+		RCT2_GLOBAL(0xF440CE, uint8) = 30;
+	}
+
+	if (ride->type == RIDE_TYPE_AIR_POWERED_VERTICAL_COASTER){
+		RCT2_GLOBAL(0xF440CE, uint8) = 30;
+	}
+
+	RCT2_GLOBAL(0xF440A0,uint16) = RCT2_ADDRESS(0x0097CC68, uint8)[ride->type * 2] | 0x100;
+	RCT2_GLOBAL(0x00F440B2, uint8) = 0;
+	RCT2_GLOBAL(0x00F440B3, uint8) = 0;
+	RCT2_GLOBAL(0x00F440B4, uint8) = 0;
+	RCT2_GLOBAL(0x00F440B5, uint8) = 0;
+
+	if (RCT2_ADDRESS(0x0097D4F2, uint16)[ride->type * 4] & 0x8000)
+		RCT2_GLOBAL(0x00F440B5, uint8) |= 2;
+
+	RCT2_GLOBAL(0x00F440B6, uint8) = 0;
+	RCT2_GLOBAL(0x00F440B7, uint8) = 0;
+
+	RCT2_GLOBAL(0x00F440AE, uint8) = 0;
+	RCT2_GLOBAL(0x00F440A6, uint8) = 4;
+	RCT2_GLOBAL(0x00F440B0, uint8) = 0;
+	RCT2_GLOBAL(0x00F440B1, uint8) = 0;
+	RCT2_GLOBAL(0x00F44159, uint8) = 0;
+	RCT2_GLOBAL(0x00F4415C, uint8) = 0;
+	return w;
+
 	RCT2_CALLFUNC_X(0x006CB481, &eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
 	return (rct_window*)esi;
+}
+
+void window_construction_close(){
+	rct_window *w;
+
+	window_get_register(w);
+
+	RCT2_CALLPROC_X(0x006C9627, 0, 0, 0, 0, 0, 0, 0);
+	viewport_set_visibility(0);
+
+	RCT2_CALLPROC_EBPSAFE(0x0068AB1B);
+	RCT2_GLOBAL(0x9DE58A, uint16) &= 0xFFFD;
+
+	hide_gridlines();
+
+	int x, y;
+	uint8 ride_id = RCT2_GLOBAL(0xF440A7, uint8);
+	rct_map_element* map_element = sub_6CAF80(ride_id, &x, &y);
+
+	if ((int)map_element == -1){
+		int eax = RCT2_GLOBAL(0x009DEA6E, uint8);
+
+		RCT2_GLOBAL(0x009DEA6E, uint8) = 0;
+		game_do_command(0, 9, 0, ride_id, GAME_COMMAND_7, 0, 0);
+
+		RCT2_GLOBAL(0x009DEA6E, uint8) = eax;
+		return;
+	}
+
+	window_ride_main_open(ride_id);
+}
+
+
+void window_construction_maze_close(){
+	rct_window *w;
+
+	window_get_register(w);
+
+	RCT2_CALLPROC_X(0x006C9627, 0, 0, 0, 0, 0, 0, 0);
+	viewport_set_visibility(0);
+
+	RCT2_CALLPROC_EBPSAFE(0x0068AB1B);
+	RCT2_GLOBAL(0x9DE58A, uint16) &= 0xFFFD;
+
+	hide_gridlines();
+	
+	uint8 ride_id = RCT2_GLOBAL(0xF440A7, uint8);
+
+	rct_ride* ride = GET_RIDE(ride_id);
+
+	if (ride->overall_view == 0xFFFF){
+		int eax = RCT2_GLOBAL(0x009DEA6E, uint8);
+
+		RCT2_GLOBAL(0x009DEA6E, uint8) = 0;
+		game_do_command(0, 9, 0, ride_id, GAME_COMMAND_7, 0, 0);
+
+		RCT2_GLOBAL(0x009DEA6E, uint8) = eax;
+		return;
+	}
+
+	window_ride_main_open(ride_id);
 }
\ No newline at end of file