Project Summary: Highway Investigation - 99 Docket Items - HWY08MH012

Description: A motorcoach ran off the roadway and rolled over as it traveled down an embankment. Multiple passengers were ejected during the crash sequence and eight passengers were fatally injured.

Mode: Highway

NTSB Number: HWY08MH012

Date of Accident: 01/06/2008

City: Mexican Hat

State/Region: UT

Country: United States

Project Type: Investigation

Docket Information

Creation Date: 05/07/2008

Last Modified: 02/19/2009 4:13 PM

Public Release Date & Time: 02/19/2009 4:10 PM


Docket Table of Contents

Docket Items: 99
#
Title
Pgs
Photo
Type
File
1 Medical Records Information 2 0 Adobe PDF file View
2 Materials Lab - Factual Report 08-054 window post 2 0 Adobe PDF file View
3 Human Performance - Group Chairman Factual Report 17 0 Adobe PDF file View
4 Motor Carrier - Group Chairman Factual Report 11 0 Adobe PDF file View
5 Motor Carrier - Attachment A - Arrow Stage Lines Operating Authority 3 0 Adobe PDF file View
6 Motor Carrier - Attachment B - FMCSA Compliance Review of Arrow Stage Lines 16 0 Adobe PDF file View
7 Motor Carrier - Attachment B-1 - FMCSA Follow-up Compliance Review 12 0 Adobe PDF file View
8 Motor Carrier - Attachment C - CSS Inspection Report 12 0 Adobe PDF file View
9 Motor Carrier - Attachment D- USDOT Annual Drug and Alcohol Testing Report 2 0 Adobe PDF file View
10 Motor Carrier - Attachment E - Bus Driver Employment Application with Med Cert and MVR Report 27 0 Adobe PDF file View
11 Motor Carrier - Attachment F - Bus Driver Logbook Entries and Work Order 10 0 Adobe PDF file View
12 Motor Carrier - Attachment G - FMCSA Post Accident Compliance Review of Arrow Stage Lines 9 0 Adobe PDF file View
13 Vehicles - Group Chairman Factual Report 8 0 Adobe PDF file View
14 Vehicles - Attachment 1 - Utah Highway Patrol Vehicle Report 7 0 Adobe PDF file View
15 Vehicles - Attachment 2 - MCI J-4500 Final Vehicle Record 3 0 Adobe PDF file View
16 Vehicles - Attachment 3 - MCI Maintenance Manual Engineer's Drawing with Dimensions 3 0 Adobe PDF file View
17 Vehicles - Attachment 4 - MCI Maintenance and Parts Manual (portions of Steering section) 4 0 Adobe PDF file View
18 Vehicles - Attachment 5 - Meritor-Wabco ABS Interrogation Report 2 0 Adobe PDF file View
19 Vehicles - Attachment 6 - MCI Operator's Manual (selected pages) 6 0 Adobe PDF file View
20 Veh. Photo #01 - Rear and right side of 2007 MCI bus in final resting position 1 0 Adobe PDF file View
21 Veh. Photo #02 - Right side of MCI bus in final resting position 1 0 Adobe PDF file View
22 Veh. Photo #03 - Rear of MCI bus in final resting position (Note rear brake lights illuminated) 1 0 Adobe PDF file View
23 Veh. Photo #04 - Right rear corner of MCI bus 1 0 Adobe PDF file View
24 Veh. Photo #05 - SmartWheel steering wheel (Note: Steering wheel is turned in an inverted position, with the cruise control switches on the right and engine brake on the left) 1 0 Adobe PDF file View
25 Veh. Photo #06 - Miter box with steering shaft (top center of photo) separated at the input shaft U-joint 1 0 Adobe PDF file View
26 Veh. Photo #07 - U-joint from input shaft removed and photographed (Note: Chipped steel on the inside edge of the toothed flange) 1 0 Adobe PDF file View
27 Veh. Photo #08 - Photo with miter box on the left with intermediate shaft attached. The spare tire truss, upon which the miter box is mounted is bowed up, as evidenced by the crease in the truss that can be seen at the very right edge of the photo, 1 0 Adobe PDF file View
28 Veh. Photo #09 - Crease in spare tire truss near the firewall 1 0 Adobe PDF file View
29 Veh. Photo #10 - Left side of MCI bus in final resting position 1 0 Adobe PDF file View
30 Highway - Group Chairman Factual Report 16 0 Adobe PDF file View
31 Highway - Attachment A - UDOT Weather Info 2 0 Adobe PDF file View
32 Highway - Attachment B - Guardrail and Sideslope Review 2 0 Adobe PDF file View
33 Highway Attachment C - Police Report of Accident 8 0 Adobe PDF file View
34 Highway Attachment-D Overall Scene Diagram 2 0 Adobe PDF file View
35 Highway Attachment-E Final Rest Diagram 2 0 Adobe PDF file View
36 Highway Attachment F - Speed Study Overview 6 0 Adobe PDF file View
37 Highway Attachment G - Speed Study Detailed 20 0 Adobe PDF file View
38 Hwy. Photo #01 - View of beginning of 4-mile-long downgrade on U.S. Highway 163 at milepost # 33 1 0 Adobe PDF file View
39 Hwy. Photo #02 - View of US163 at MP# 32 looking southwest 1 0 Adobe PDF file View
40 Hwy. Photo #03 - View of US 163 at MP# 31 (Notice steepness of grade) 1 0 Adobe PDF file View
41 Hwy. Photo #04 - View of US 163 at MP# 30 (Average Downgrade from here to accident site is 4 percent) 1 0 Adobe PDF file View
42 Hwy. Photo #05 - View of 5.6 percent downgrade on approach to accident curve (Note the curve warning sign) 1 0 Adobe PDF file View
43 Hwy. Photo #06 - View of guardrail beginning 220 feet into the curve 1 0 Adobe PDF file View
44 Hwy. Photo #07 - Close-up view of guardrail end without safety end-treatment 1 0 Adobe PDF file View
45 Hwy. Photo #08 - View of 2:1 slope on the backside of the guardrail with drainage culvert at the bottom of the slope. 1 0 Adobe PDF file View
46 Hwy. Photo #09 - View of 4-degree 1,641-foot-long curve with guardrail ending at 772 feet into curve 1 0 Adobe PDF file View
47 Hwy. Photo #10 - Continued view of curve with sign for ‘Valley of the Gods” in the background where the foreslope changes to rising terrain 1 0 Adobe PDF file View
48 Hwy. Photo #11 - View of guardrail 61 feet from the end where the rear of the motorcoach came into contact with the rail. 1 0 Adobe PDF file View
49 Hwy. Photo #12 - Closer view of rising terrain on right roadside 1 0 Adobe PDF file View
50 Hwy. Photo #13 - Note the tire marks on the roadside beside the tires of the Parked SUV 1 0 Adobe PDF file View
51 Hwy. Photo #14 - Continued view of tire marks on the beginning of the 3:1 roadside foreslope 1 0 Adobe PDF file View
52 Hwy. Photo #15 - View of curve where it intersects the entrance to the “Valley of the Gods.” Also, note MP marker 29 on the left-hand side 1 0 Adobe PDF file View
53 Hwy. Photo #16 - Note the steepness of the foreslope 1 0 Adobe PDF file View
54 Hwy. Photo #17 - Note the furrowing of the motorcoaches’ left front tire as it curves back toward the white painted edge line. 1 0 Adobe PDF file View
55 Hwy. Photo #18 - Note the rocky landscape on the embankment 1 0 Adobe PDF file View
56 Hwy. Photo #19 - View of rocks in the area where the right rear and roof came down about 27 feet from the road edge. 1 0 Adobe PDF file View
57 Hwy. Photo #20 - View of the accident curve from the opposite direction looking North and East 1 0 Adobe PDF file View
58 Hwy. Photo #21 - View of embankment from the opposite direction 1 0 Adobe PDF file View
59 Hwy. Photo #22 - Additional view of the embankment from the opposite direction (Note the area at the bottom of the photo where the fence lines intersect is the area where the motorcoach came to a final position). 1 0 Adobe PDF file View
60 Hwy. Photo #23 - View of curve from the opposite direction (Note the relatively flat recovery area and rising terrain to the left in photo) 1 0 Adobe PDF file View
61 Hwy. Photo #24 - View of guardrail contact from motorcoaches lug nut covers 1 0 Adobe PDF file View
62 Hwy. Photo #25 - View of motorcoaches lug nut cover on the back-side of the guardrail. 1 0 Adobe PDF file View
63 Hwy. Photo #26 - View of ground scar indicating the bus was oriented at approximately 37 degrees to the roadway 1 0 Adobe PDF file View
64 Hwy. Photo #27 - View of guardrail and 2:1 slope looking at the highway from the valley 1 0 Adobe PDF file View
65 Hwy. Photo #28 - View of the guardrail and 3:1 slope where it intersects the entrance to the “Valley of the Gods.” 1 0 Adobe PDF file View
66 Hwy. Photo #29 - View of displaced concrete cap from guardrail support post in the area where the motorcoach contacted the rail. 1 0 Adobe PDF file View
67 Hwy. Photo #30 - View of concrete cap found near the bottom of the 2:1 slope 1 0 Adobe PDF file View
68 Hwy. Photo #31 - View of motorcoach at the final position with the roof displaced 1 0 Adobe PDF file View
69 Hwy. Photo #32 - Overhead view of curve looking in the opposite direction and the bus path down the embankment 1 0 Adobe PDF file View
70 Hwy. Photo #33 - Note the position of the motorcoach windshield near the top of the embankment 1 0 Adobe PDF file View
71 Hwy. Photo #34 - View of the motorcoach at final position with embankment and curve in the background 1 0 Adobe PDF file View
72 Hwy. Photo #35 - View of motorcoach next to the valley entrance 1 0 Adobe PDF file View
73 Hwy. Photo #36 - Overview of bus with embankment and curve 1 0 Adobe PDF file View
74 Hwy. Photo #37 - View of motorcoaches path on the roadside marked by police cones 1 0 Adobe PDF file View
75 Hwy. Photo #38 - Note the distance from where the guardrail ends to the beginning of the second embankment 1 0 Adobe PDF file View
76 Hwy. Photo #39 - View of the motorcoach travel path marked by cones with bus in the background 1 0 Adobe PDF file View
77 Hwy. Photo #40 - View of guardrail, curve, and first embankment that had a 2:1 slope 1 0 Adobe PDF file View
78 Hwy. Photo #41 - Overhead view of curve, guardrail and embankment 1 0 Adobe PDF file View
79 Hwy. Photo #42 - Opposite direction view of overall scene with complete curve, embankment, and bus at final position 1 0 Adobe PDF file View
80 Data Report: Large Bus Accidents and Injuries in Rural and urban Areas, 2000-2006 17 0 Adobe PDF file View
81 Study of Rural Risk Travel Factors for Large Buses: Fatal Accidents, Emergency Response, and Highway Safety Improvements 32 0 Adobe PDF file View
82 Data Report Addendum for 2007 9 0 Adobe PDF file View
83 Survival Factors - Group Chairman Factual Report 23 0 Adobe PDF file View
84 Survival Factors - Attachment 1 12 0 Adobe PDF file View
85 Survival Factors - Attachment 2 4 0 Adobe PDF file View
86 Survival Factors - Attachment 3 2 0 Adobe PDF file View
87 Event Data Recorder Group Chairman's Factual Report 10 0 Adobe PDF file View
88 EDR Photo#1 - Photo of subject ECM 1 0 Adobe PDF file View
89 EDR Photo# 2 - Photo of subject DriveCam II VEDR Unit. 1 0 Adobe PDF file View
90 Event Data Recorder - Attachment A - Caterpillar ECM Data 57 0 Adobe PDF file View
91 Event Data Recorder - Attachment B - Saucon GPS Data 32 0 Adobe PDF file View
92 On-Board Video Recording - Factual Report 6 0 Adobe PDF file View
93 Video Recording Available 1 0 Adobe PDF file View
94 Video Recording - Copy of Forward View 0 0 wmv View
95 Vehicle Performance - Group Chairman's Vehicle Dynamics Study 10 0 Adobe PDF file View
96 Vehicle Performance - Group Chairman's Acceleration Data Study 3 0 Adobe PDF file View
97 Vehicle Performance - Group Chairman's Video Study 13 0 Adobe PDF file View
98 Submission - BUSCO, Inc to the National Transportation Safety Board 13 0 Adobe PDF file View
99 Submission & Appendix - BUSCO, Inc to the National Transportation Safety Board 11 0 Adobe PDF file View