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
Age nda • Why? • OARs • I nve stig atio ns • Pre liminary Data • Sc he dule 2
Why now? ODOT Proposed ODOT concerned Legislative bill proposed to about to raise truck study truck legislating speeds speeds without data 3
History 2015 2003 ODOT L e g islature 2017 ODOT I nve stig ate s Raise s I nte rstate inve stig ate s Spe e ds in Spe e ds and T ruc k Spe e ds E aste rn Raise s So me Ore g o n 4
Or e g on Administr a tive Rule s Spe e d L imits on Inte r sta te s I mpac ts and Public I nve stig atio ns I ssue s Co mme nts 5
Or e g on Administr a tive Rule s E ng ine e ring Inve stig a tions Spe e ds Crash Ro adway We athe r T raffic Ave rag e Numbe r Curve s ADT T ype and and 85 th and rate s lane s and Co ng e stio n F re que nc y pe rc e ntile sho ulde rs and % T ruc ks 6
Spe e d Zone Re vie w Pa ne l Re c omme nda tion to OT C 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 7
Inve stig a tions I -5: So uth o f Po rtland Anywhe re the spe e d is c urre ntly 65 mph fo r c ars I -84: T ro utdale to T he and 55 mph fo r truc ks Dalle s I -205: Jc t. o f I -5 to We st L inn 8
Process ODOT Investigations PSU Issues Report Public Meetings SZRP Recommendation Commission Public Meeting on the Rule 9
Ve hic le Spe e ds on I- 5 (Pre limina ry da ta ) Ave rag e and 85 th Pe rc e ntile in 65/ 55 mph Se c tio ns 72.00 85 th Percentile Autos 70.00 85 th Percentile Trucks 68.00 66.00 Average Auto mph 85th Auto mph Avg Truck mph 64.00 85th Truck mph 62.00 Average Autos 60.00 Average Trucks 58.00 18.54 69.33 112.92 119.82 124.82 158.7 199 226.5 274.72 Roseburg Medford Eugene Salem I-205 10
T ruc k Cra she s on I- 5 Crashe s pe r mile pe r ye ar 10.00 9.00 8.00 7.00 All crashes 2004 6.00 All crashes 2015 Truck Involved crashes 2004 5.00 Truck Involved crashes 2015 4.00 Truck @Fault crashes 2004 Truck @Fault crashes 2015 3.00 2.00 1.00 0.90 1.00 0.80 0.70 0.00 0.60 18.08 69.34 112.93 119.82 124.82 158.71 199.00 226.50 274.73 Roseburg Medford Eugene Salem I-205 0.50 0.40 0.30 0.20 0.10 0.00 18.08 69.34 112.93119.82124.82158.71199.00226.50274.73 11
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 Truck at Fault 2004 46% 2015 40% 2004 2015 All Crashes All Crashes 1902 2886 PDO crashes F&I crashes 1,333 2004 2015 Truck Involved Truck Involved 873 Crashes Crashes 473 461 1,553 1,029 137 203 336 258 12
T ra ffic Volume s on I- 5 Ave rag e Ve hic le s pe r Day 120,000 100,000 80,000 Total ADT 2004 Total ADT 2015 60,000 Truck ADT 2004 Truck ADT 2015 40,000 20,000 0 18.54 69.335 112.925 119.82 124.82 158.705 199 226.5 274.725 Roseburg Eugene I-205 Medford Salem 13
T ruc k Cra she s ove rla id with Volume s Crashe s pe r mile pe r ye ar 120,000 10.00 Total ADT 9.00 Total Crashes 100,000 8.00 7.00 80,000 6.00 60,000 5.00 4.00 40,000 3.00 2.00 Truck ADT 20,000 Truck Involved 1.00 0.00 0 18.54 18.08 69.335 69.34 112.925 112.93 119.82 119.82 124.82 124.82 158.705 158.71 199.00 199 226.50 226.5 274.725 274.73 Medford Roseburg Eugene Salem I-205 14
Sc he dule Nov 2016 – ODOT began June 2017 - SZRP make investigations recommendations to Commission Feb 2017 - PSU began an issues report. Aug 2017 - Commission make a final decision. March 2017 – Public Meetings 15
T ha nk You! 16
Supple me nta r y Slide s 17
Ve hic le Spe e ds on I- 205 a nd I- 84 Ave rag e and 85 th Pe rc e ntile (pre liminary data) I-205 I-84 70 70.00 65 65.00 Auto Avg mph Auto Avg mph Auto 85th mph Auto 85th mph 60 60.00 Truck Avg mph Truck Avg mph Truck 85th mph Truck 85th mph 55 55.00 50 50.00 Jct 1 ‐ 5 West Linn Troutdale Hood River The Dalles 65/ 55 Po ste d Se c tio ns 18
T ruc k Cra she s on I- 205 a nd I- 84 Crashe s pe r mile pe r ye ar I-84 I-205 10.00 10.00 All Crashes 2004 9.00 All Crashes 2004 9.00 8.00 8.00 All Crashes 2015 All Crashes 2015 7.00 7.00 6.00 Truck Involved Crashes 6.00 Truck Involved Crashes 2004 5.00 2004 5.00 Truck Involved Crashes 4.00 Truck Involved Crashes 4.00 2015 2015 3.00 3.00 Truck at Fault 2004 Truck at Fault 2004 2.00 2.00 1.00 Truck at Fault 2015 1.00 Truck at Fault 2015 0.00 0.00 Troutdale Hood River The Dalles Jct 1 ‐ 5 West Linn 1.00 1.00 Truck Involved Crashes Truck Involved Crashes 0.80 2004 0.80 2004 0.60 Truck Involved Crashes 0.60 Truck Involved Crasehs 2015 2015 0.40 0.40 Truck at Fault 2004 Truck at Fault 2004 0.20 0.20 0.00 0.00 Truck at Fault 2015 Truck at Fualt 2015 Jct 1 ‐ 5 West Linn Troutdale Hood River The Dalles 19
T ra ffic Volume s on I- 205 a nd I- 84 Ave rag e Ve hic le s pe r Day I-205 I-84 90,000 90,000 80,000 80,000 70,000 70,000 60,000 60,000 Total ADT 2004 Total ADT 2004 50,000 50,000 Total ADT 2015 Total ADT 2015 40,000 40,000 Truck ADT 2004 Truck ADT 2004 30,000 30,000 Truck ADT 2015 Truck ADT 2015 20,000 20,000 10,000 10,000 0 0 Jct 1 ‐ 5 West Linn Troutdale Hood River The Dalles 20
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