Re vie w of Inte rsta te T ruc k Spe e ds Pre liminary Data and - - PowerPoint PPT Presentation

Re vie w of Inte rsta te T ruc k Spe e ds

Pre liminary Data and Pro c e ss Do ug Bish, T raffic Se rvic e s E ng ine e r Marc h 2017

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Age nda

• Why?
• OARs
• I

nve stig atio ns

• Pre liminary Data
• Sc he dule

Why now?

Proposed Legislative bill to raise truck speeds ODOT concerned about legislating without data ODOT proposed to study truck speeds

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History

2003 ODOT I nve stig ate s I nte rstate Spe e ds and Raise s So me 2015 L e g islature Raise s Spe e ds in E aste rn Ore g o n 2017 ODOT inve stig ate s T ruc k Spe e ds

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Or e g on Administr a tive Rule s

Spe e d L imits on Inte r sta te s

I nve stig atio ns I mpac ts and I ssue s Public Co mme nts

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Ave rag e and 85th pe rc e ntile Numbe r and rate s Curve s lane s and sho ulde rs ADT Co ng e stio n and % T ruc ks T ype and F re que nc y

Crash Ro adway Spe e ds T raffic We athe r

Or e g on Administr a tive Rule s

E ng ine e ring Inve stig a tions

Re c omme nda tion to OT C

Spe e d Zone Re vie w Pa ne l

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Re aso nable and Safe Give n E xisting Co nditio ns As I ndic ate d by Data I ssue s Re po rt And Public Co mme nt

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Anywhe re the spe e d is c urre ntly 65 mph fo r c ars and 55 mph fo r truc ks I

• 5: So uth o f Po rtland

I

• 84: T

ro utdale to T he Dalle s I

• 205: Jc t. o f I
• 5 to We st

L inn

Inve stig a tions

Process

ODOT Investigations PSU Issues Report Public Meetings SZRP Recommendation Commission Public Meeting on the Rule

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Ve hic le Spe e ds on I- 5 (Pre limina ry da ta )

Ave rag e and 85th Pe rc e ntile in 65/ 55 mph Se c tio ns

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58.00 60.00 62.00 64.00 66.00 68.00 70.00 72.00 18.54 69.33 112.92 119.82 124.82 158.7 199 226.5 274.72 Average Auto mph 85th Auto mph Avg Truck mph 85th Truck mph

Salem Eugene Medford Roseburg I-205

85th Percentile Autos 85th Percentile Trucks Average Trucks Average Autos

T ruc k Cra she s on I- 5

Crashe s pe r mile pe r ye ar

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0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 18.08 69.34 112.93 119.82 124.82 158.71 199.00 226.50 274.73 All crashes 2004 All crashes 2015 Truck Involved crashes 2004 Truck Involved crashes 2015 Truck @Fault crashes 2004 Truck @Fault crashes 2015 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 18.08 69.34 112.93119.82124.82158.71199.00226.50274.73

Salem Eugene Medford Roseburg I-205

T ra ffic Cra she s on I- 5

3 ye ars o f c rashe s fo r inve stig ate d se g me nts

12 1,029 1,553 336 258 873 1,333 137 203

PDO crashes F&I crashes

2004 All Crashes 1902 2015 Truck Involved Crashes 461 2004 Truck Involved Crashes 473 2015 All Crashes 2886 Truck at Fault 2004 46% 2015 40%

T ra ffic Volume s on I- 5

Ave rag e Ve hic le s pe r Day

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20,000 40,000 60,000 80,000 100,000 120,000 18.54 69.335 112.925 119.82 124.82 158.705 199 226.5 274.725 Total ADT 2004 Total ADT 2015 Truck ADT 2004 Truck ADT 2015

Salem Eugene Medford Roseburg I-205

T ruc k Cra she s ove rla id with Volume s

Crashe s pe r mile pe r ye ar

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0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 18.08 69.34 112.93 119.82 124.82 158.71 199.00 226.50 274.73

Salem Eugene Medford Roseburg I-205

20,000 40,000 60,000 80,000 100,000 120,000 18.54 69.335 112.925 119.82 124.82 158.705 199 226.5 274.725

Truck ADT Truck Involved Total ADT Total Crashes

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June 2017 - SZRP make recommendations to Commission Aug 2017 - Commission make a final decision. Nov 2016 – ODOT began investigations Feb 2017 - PSU began an issues report. March 2017 – Public Meetings Sc he dule

T ha nk You!

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Supple me nta r y Slide s

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Ve hic le Spe e ds on I- 205 a nd I- 84

Ave rag e and 85th Pe rc e ntile (pre liminary data)

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I-205 I-84

50.00 55.00 60.00 65.00 70.00 Troutdale Hood River The Dalles Auto Avg mph Auto 85th mph Truck Avg mph Truck 85th mph 50 55 60 65 70 Jct 1‐5 West Linn Auto Avg mph Auto 85th mph Truck Avg mph Truck 85th mph

65/ 55 Po ste d Se c tio ns

T ruc k Cra she s on I- 205 a nd I- 84

Crashe s pe r mile pe r ye ar

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I-205 I-84

0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 Troutdale Hood River The Dalles All Crashes 2004 All Crashes 2015 Truck Involved Crashes 2004 Truck Involved Crashes 2015 Truck at Fault 2004 Truck at Fault 2015 0.00 0.20 0.40 0.60 0.80 1.00 Jct 1‐5 West Linn Truck Involved Crashes 2004 Truck Involved Crashes 2015 Truck at Fault 2004 Truck at Fault 2015 0.00 0.20 0.40 0.60 0.80 1.00 Troutdale Hood River The Dalles Truck Involved Crashes 2004 Truck Involved Crasehs 2015 Truck at Fault 2004 Truck at Fualt 2015 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 Jct 1‐5 West Linn All Crashes 2004 All Crashes 2015 Truck Involved Crashes 2004 Truck Involved Crashes 2015 Truck at Fault 2004 Truck at Fault 2015

T ra ffic Volume s on I- 205 a nd I- 84

Ave rag e Ve hic le s pe r Day

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I-205 I-84

10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000 90,000 Jct 1‐5 West Linn Total ADT 2004 Total ADT 2015 Truck ADT 2004 Truck ADT 2015 10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000 90,000 Troutdale Hood River The Dalles Total ADT 2004 Total ADT 2015 Truck ADT 2004 Truck ADT 2015