diff --git a/projects/openrct2.vcxproj b/projects/openrct2.vcxproj
index 95aba80932..ee13c69b3f 100644
--- a/projects/openrct2.vcxproj
+++ b/projects/openrct2.vcxproj
@@ -48,6 +48,7 @@
     <ClCompile Include="..\src\park.c" />
     <ClCompile Include="..\src\peep.c" />
     <ClCompile Include="..\src\rct2.c" />
+    <ClCompile Include="..\src\ride.c" />
     <ClCompile Include="..\src\scenario.c" />
     <ClCompile Include="..\src\strings.c" />
     <ClCompile Include="..\src\title.c" />
diff --git a/projects/openrct2.vcxproj.filters b/projects/openrct2.vcxproj.filters
index 26e50f6db9..c1c42a020c 100644
--- a/projects/openrct2.vcxproj.filters
+++ b/projects/openrct2.vcxproj.filters
@@ -146,6 +146,9 @@
     <ClCompile Include="..\src\park.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\ride.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <None Include="..\openrct2.exe">
diff --git a/src/addresses.h b/src/addresses.h
index df031c8785..d25b9c1c10 100644
--- a/src/addresses.h
+++ b/src/addresses.h
@@ -96,6 +96,7 @@
 #define RCT2_ADDRESS_CURRENT_MONEY_ENCRYPTED		0x013587F8
 
 #define RCT2_ADDRESS_RIDE_LIST						0x013628F8
+#define RCT2_ADDRESS_RIDE_MEASUREMENTS				0x0138B60C
 
 #define RCT2_ADDRESS_NEWS_ITEM_LIST					0x013CA754
 
diff --git a/src/rct2.c b/src/rct2.c
index 552ae9312e..d5ff5b9191 100644
--- a/src/rct2.c
+++ b/src/rct2.c
@@ -32,6 +32,7 @@
 #include "news_item.h"
 #include "osinterface.h"
 #include "rct2.h"
+#include "ride.h"
 #include "scenario.h"
 #include "title.h"
 #include "viewport.h"
@@ -114,7 +115,7 @@ void rct2_init()
 	RCT2_CALLPROC_EBPSAFE(0x00667104);
 	RCT2_CALLPROC_EBPSAFE(0x006C4209);
 	RCT2_CALLPROC_EBPSAFE(0x0069EB13);
-	RCT2_CALLPROC_EBPSAFE(0x006ACA89); // init_rides
+	ride_init_all();
 	RCT2_CALLPROC_EBPSAFE(0x0068F083); // window guest list init vars a
 	RCT2_CALLPROC_EBPSAFE(0x006BD3A4);
 	RCT2_CALLPROC_EBPSAFE(0x0068AB4C); // init_map();
diff --git a/src/ride.c b/src/ride.c
new file mode 100644
index 0000000000..7fc47eb73c
--- /dev/null
+++ b/src/ride.c
@@ -0,0 +1,49 @@
+/*****************************************************************************
+ * Copyright (c) 2014 Ted John
+ * OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
+ *
+ * This file is part of OpenRCT2.
+ *
+ * OpenRCT2 is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *****************************************************************************/
+
+#include "addresses.h"
+#include "ride.h"
+
+#define GET_RIDE(x) (&(RCT2_ADDRESS(RCT2_ADDRESS_RIDE_LIST, rct_ride)[x]))
+#define GET_RIDE_MEASUREMENT(x) (&(RCT2_ADDRESS(RCT2_ADDRESS_RIDE_MEASUREMENTS, rct_ride_measurement)[x]))
+
+/**
+ *
+ *  rct2: 0x006ACA89
+ */
+void ride_init_all()
+{
+	int i;
+	rct_ride *ride;
+	rct_ride_measurement *ride_measurement;
+
+	for (i = 0; i < MAX_RIDES; i++) {
+		ride = GET_RIDE(i);
+		ride->type = RIDE_TYPE_NULL;
+	}
+
+	RCT2_GLOBAL(0x0138B590, sint8) = 0;
+	RCT2_GLOBAL(0x0138B591, sint8) = 0;
+
+	for (i = 0; i < MAX_RIDE_MEASUREMENTS; i++) {
+		ride_measurement = GET_RIDE_MEASUREMENT(i);
+		ride_measurement->var_00 = 0xFF;
+	}
+}
\ No newline at end of file
diff --git a/src/ride.h b/src/ride.h
index d7a1d0c20e..d73552dea6 100644
--- a/src/ride.h
+++ b/src/ride.h
@@ -54,8 +54,22 @@ typedef struct {
 	uint8 pad_19A[0xC6];
 } rct_ride;
 
+/**
+ * Ride measurement structure.
+ * size: 0x04B0C
+ */
+typedef struct {
+	uint8 var_00;
+	uint8 pad_01[0x4B0B];
+} rct_ride_measurement;
+
 enum {
 	RIDE_TYPE_NULL = (uint8)-1
 };
 
+#define MAX_RIDES 256
+#define MAX_RIDE_MEASUREMENTS 8
+
+void ride_init_all();
+
 #endif
\ No newline at end of file
diff --git a/src/title.c b/src/title.c
index 364640e155..ef8f98dd3c 100644
--- a/src/title.c
+++ b/src/title.c
@@ -23,6 +23,7 @@
 #include "gfx.h"
 #include "news_item.h"
 #include "rct2.h"
+#include "ride.h"
 #include "intro.h"
 #include "viewport.h"
 
@@ -48,7 +49,7 @@ void title_load()
 	RCT2_CALLPROC_EBPSAFE(0x00667104);
 	RCT2_CALLPROC_EBPSAFE(0x006C4209);
 	RCT2_CALLPROC_EBPSAFE(0x0069EB13);
-	RCT2_CALLPROC_EBPSAFE(0x006ACA89);
+	ride_init_all();
 	RCT2_CALLPROC_EBPSAFE(0x0068F083);
 	RCT2_CALLPROC_EBPSAFE(0x006BD3A4);
 	RCT2_CALLPROC_EBPSAFE(0x0068AB4C);
diff --git a/src/window.c b/src/window.c
index d563f463e1..a34dd82f0f 100644
--- a/src/window.c
+++ b/src/window.c
@@ -42,9 +42,8 @@ void window_dispatch_update_all()
 
 	RCT2_GLOBAL(0x01423604, sint32)++;
 	RCT2_GLOBAL(RCT2_ADDRESS_TOOLTIP_NOT_SHOWN_TICKS, sint16)++;
-	for (w = RCT2_LAST_WINDOW; w >= RCT2_FIRST_WINDOW; w--) {
+	for (w = RCT2_LAST_WINDOW; w >= RCT2_FIRST_WINDOW; w--)
 		RCT2_CALLPROC_X(w->event_handlers[WE_UPDATE], 0, 0, 0, 0, w, 0, 0);
-	}
 
 	RCT2_CALLPROC_EBPSAFE(0x006EE411);
 }
@@ -282,7 +281,7 @@ void window_invalidate_by_id(uint16 cls, rct_windownumber number)
 }
 
 /**
- * Invalidates the specified window.
+ * Initialises scroll widgets to their virtual size.
  *  rct2: 0x006EAEB8
  *
  * @param window The window (esi).