ROAD SAFETY AUDIT. Leominster Rd (Route 12) at Chocksett Rd. Town of Sterling. December 18, 2012

Transcription

1 ROAD SAFETY AUDIT Leminster Rd (Rute 12) at Chcksett Rd Twn f Sterling December 18, 2012 Prepared By: Massachusetts Department f Transprtatin

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3 Rad Safety Audit Leminster Rad (Rute 12) and Chcksett Rad - Sterling, MA Table f Cntents Prject Data...1 Backgrund...1 Prject Lcatin and Descriptin...2 Audit Observatins and Safety Issues...6 Ptential Safety Enhancements...9 Summary f Rad Safety Audit...13 List f Appendices Appendix A. Appendix B. Appendix C. Appendix D. RSA Meeting Agenda RSA Audit Team Cntact List Detailed Crash Data Additinal Infrmatin List f Figures Figure 1. Lcatin Map...4 Figure 2. Lcatin Detail...5 List f Tables Table 1. Participating Audit Team Members...1 Table 2. Estimated Time Frame and Csts Breakdwn...9 Table 3. Ptential Safety Enhancement Summary...14

4 Rad Safety Audit Leminster Rad (Rute 12) and Chcksett Rad - Sterling, MA Prject Data A Rad Safety Audit fr the intersectin f Leminster Rad (Rute 12) Chcksett Rad was held n September 25, 2012 at the Sterling Plice Department. As indicated in Table 1, the audit team cnsisted f representatives frm State, Reginal and Lcal agencies and included a crss-sectin f engineering, planning, emergency respnse, and lcal expertise. Table 1. Participating Audit Team Members Table 1. Participating Audit Team Members Audit Team Member Lisa Schletzbaum Crey O Cnnr Je Frawley Allade Campbell Gerge Snw Terri Ackerman David Favreau Bill Tuttle David Hurlbut Gary Chamberland Jhn Diaz Rep Kimberly Fergusn Rep Harld Naughtn Carly Antnellis Paul Sushchyk Rn Furmaniuk Melissa McKen Agency/Affiliatin MassDOT, Safety MassDOT, Safety MassDOT, District 3 Traffic MassDOT, District 3 Traffic Mntachusett Reginal Planning Cmmissin Twn f Sterling Twn f Sterling Twn f Sterling, DPW Twn f Sterling, Fire Department Twn f Sterling, Plice Chief Greenman-Pedersen, Inc Massachusetts Huse f Representatives Massachusetts Huse f Representatives Sen. Flanagan s Office Berg and Laipsn Sterling Bard f Selectmen Backgrund The Federal Highway Administratin defines a Rad Safety Audit (RSA) as the frmal safety examinatin f an existing r future rad r intersectin by an independent, multidisciplinary team. The purpse f an RSA is t identify ptential safety issues and pssible pprtunities fr safety imprvements cnsidering all radway users. A Rad Safety Audit was scheduled fr the intersectin f Leminster Rad (Rute 12) and Chcksett Rad as requested by the Twn f Sterling. The intersectin has a lng histry f high speed crashes creating a cncerning amunt f persnal injuries and even a fatality. Detailed crash infrmatin can be fund in Appendix C. The Sterling Chief f Plice brught the crash histry t the MassDOT's Safety Sectin's attentin after a recent fatal crash at the intersectin. The Twn f Sterling and MassDOT District 3 ffice have been discussing an intersectin recnstructin Page 1

5 Rad Safety Audit Leminster Rad (Rute 12) and Chcksett Rad - Sterling, MA prject using TIP funding fr several years. The RSA is intended t identify ptential shrt and lng term safety imprvements that can be made at the intersectin, which can then be incrprated int a planned recnstructin prject t the greatest extent practical. Prject Lcatin and Descriptin The intersectin f Leminster Rad (Rute 12) and Chcksett Rad is lcated in the nrth/east sectin f the twn f Sterling, MA. The intersectin is a large fur legged intersectin and is stp cntrlled n Chcksett Rad appraches except fr westbund rights, which is yield cntrlled. T the nrth f the intersectin Leminster Rad (Rute 12) is N Mela s Wayside functinally classified as an urban Ice Cream minr arterial while t the suth f the intersectin it is classified as a rural majr cllectr rad. All prtins f Leminster Rad are wned by MassDOT. Leminster Rad has a LEOMINSTER RD legal psted speed limit f 55 miles per (RT 12) hur arund the audit site. Detailed MassDOT speed regulatins can be fund in Appendix D. Near the audit site Leminster Rad is a fur lane rad (2 lanes in each directin) separated by CHOCKSETT RD a raised curb median. There are left turn pckets fr bth nrth and suth Intersectin f Leminster Rad and Chcksett Rad left turning vehicles t prvide access t Chcksett Rad. Nrthbund vehicles have abut a 100 ft lng right turn lane n Leminster Rad that allws access t Chcksett Rad. Rute 12 is a nrth/suth running state highway running thrugh central Massachusetts frm the Cnnecticut state line in Dudley, MA t the New Hampshire state line in Winchendn, MA. Passing thrugh Sterling, Rute 12 is knwn as Wrcester Rad and Leminster Rad and serves as a cnnectin t Wrcester t the suth and Leminster and Fitchburg t the nrth. Interstate 190 parallels mst f Rute 12 and handles mst f the nrth/suth thrugh traffic within twn. It shuld be nted that there is an interchange between Interstate 190 and Rute 12 abut a half mile nrth f the audit site. T the east f the intersectin Chcksett Rad is functinally classified as an urban minr arterial and wned by MassDOT. Traveling eastbund Chcksett Rad has a legal psted speed limit f 50 miles per hur beginning 200 feet east f the intersectin. Traveling westbund Chcksett Rad has a legal psted speed limit f 25 miles per hur fr 0.15 miles east f the intersectin and then 50 miles per hur cntinuing east. Appraching the intersectin, abut 450 feet prir t the stp bar, eastbund and westbund Chcksett Rad are divided by a raised curb median. Abut 85 feet east f the stp bar westbund traffic is channelized int thrugh/left turns and right turns by a raised curbed island. Page 2

6 Rad Safety Audit Leminster Rad (Rute 12) and Chcksett Rad - Sterling, MA Thrugh/left turns are stp cntrlled while the right turning vehicles have abut a 175 ft channelized right turn lane befre yielding nt Leminster Rad nrthbund. T the east f the intersectin Chcksett Rad is an east/west riented rad that runs abut 1.2 miles east f Leminster Rad until it terminates and intersects with Rute 62 t the east. This sectin f rad is an imprtant shrt cut between Rute 62 and Rute 12 and allws quick access t Interstate 190 frm the east. T the west f the intersectin Chcksett Rad is classified as a lcal rad and is lcally wned. There is n speed regulatin fr this prtin f Chcksett Rad. This stretch f Chcksett Rad is stp cntrlled at the intersectin f Leminster Rad. This prtin f Chcksett Rad is an east/west riented rad that nly runs fr abut 400 feet west f Leminster Rad befre terminating and intersecting with Laurelwd Rad. This stretch f rad mainly serves as access t a rural neighbrhd t the west f the audit lcatin. Land use arund the audit lcatin is a mix f light residential, light cmmercial, and light industrial. Mela s Ice Cream stand is lcated n the suth/west crner f the intersectin and is pen during the summer mnths nly. Behind the Ice Cream stand t the west is a rural residential neighbrhd. In the nrth east crner f the intersectin is a small residential cmmunity f 10 buildings with multiple dwellings in each. East f the intersectin, ff f Chcksett Rad, are sme light industrial develpments. It was nted by several audit members that new industry may develp arund the audit lcatin in the near future adding t the already present truck traffic. See Figures 1 and 2 n the fllwing pages fr maps/images f the audit lcatin. Tractr trailer trucks maneuvering thrugh the intersectin f Leminster Rad and Chcksett Rad. Page 3

7 Rad Safety Audit Leminster Rad (Rute 12) and Chcksett Rad - Sterling, MA AUDIT SITE NORTH Figure 1. Lcatin Map; Leminster Rd (Rt 12) and Chcksett Rd, Sterling, MA Page 4

8 Rad Safety Audit Leminster Rad (Rute 12) and Chcksett Rad - Sterling, MA LEOMINSTER RD (RT 12) Mela s Wayside Ice Cream CHOCKSETT RD NORTH Figure 2. Lcatin Detail; Leminster Rd (Rt 12) and Chcksett Rd, Sterling, MA Page 5

9 Rad Safety Audit Leminster Rad (Rute 12) and Chcksett Rad - Sterling, MA Audit Observatins and Safety Issues Fllwing a brief intrductin t the RSA prcess and a summary f existing gemetry, crash and speed regulatin infrmatin, audit participants were asked t discuss safety trends and issues at the intersectin f Leminster Rad and Chcksett Rad. It became clear that the fllwing safety trends were in high cncern: Straight/Left turns ut f Chcksett Rad westbund nt Leminster Rd Seven ut f the eleven crashes caused injury and ne ut f the eleven crashes resulted in a fatality. Rear-ends crashes frm Chcksett Rad westbund t Leminster Rad nrthbund 23 ut f the ttal 42 crashes were f this manner, three resulting in injury. Audit participants then cnducted a site visit as a grup, at which time they ffered bservatins n safety cncerns and deficiencies. A summary f thse majr safety cnsideratins is as fllws: High speeds While bserving vehicles, vehicle speeds were assumed t be in excess f 55 mph n Leminster Rad. Drivers westbund n Chcksett Rad may misjudge an acceptable gap distance due t the fast appraching vehicles n Leminster Rad. This may cntribute t sme f the angle crashes and rear-end crashes. Even thugh the speed limit drps frm 50 mph t 25 mph n Chcksett Rad westbund, vehicles were bserved t be ignring the speed drp and cntinue t travel at a high speed appraching the intersectin. This may cntribute t sme f the rear-end crashes n the yield cntrlled apprach. Large pavement area Drivers making thrugh/ left turns ut f eastbund r westbund Chcksett Rad must pass upwards f six lanes f traffic in additin t a large shulder and a median. Drivers may misjudge an acceptable gap between vehicles due t the fact that they must travel a large distance t make their maneuver. This may cntribute t sme f the angle crashes. The large pavement area may cause drivers t feel mre cmfrtable t drive at higher speeds. These high speeds thrugh the intersectin cause a large difference in speeds between Chcksett Rad and Leminster Rad. Cnflicting appraches Page 6

10 Rad Safety Audit Leminster Rad (Rute 12) and Chcksett Rad - Sterling, MA While executing a left turn frm eastbund r westbund Chcksett Rad nt Leminster Rad drivers are faced with tw lanes f nrthbund traffic, tw lanes f suthbund traffic, nrthbund left turns, suthbund left turns, and slwing traffic fr right turns frm Leminster Rad. With all f these appraches t cnsider drivers may fail t acknwledge an apprach and enter traffic at an unsafe time and/r manner. This may cntribute t sme f the angle crashes. View Obstructins It was nted that the view fr vehicles frm westbund Chcksett Rad was blcked by right turning vehicles n nrthbund Leminster Rad as shwn in the picture t the right. This may cause a driver t enter traffic at an unsafe time. This may cntribute t sme f the angle crashes.. The view fr vehicles exiting eastbund Chcksett Rad is blcked by signs and shrub lcated in the nrth-west crner f the intersectin. This may cause vehicles t enter Leminster Rad at an unsafe time. The view fr vehicles in the left turn lane n Leminster Rad is blcked if there is anther vehicle in the ppsite/ppsing left turn lane. This may cause vehicles t make unsafe maneuvers and may cntribute t angle crashes (Abve) Lking suth frm westbund Chcksett Rad it can be seen that a right turning vehicle n nrthbund Leminster Rad hides thrugh mving vehicles n Leminster Rad. (Belw) Lking nrth frm eastbund Chcksett Rad it can be seen that signs and shrub bstruct views f vehicles. Left turn pckets n Leminster Rad are shrt Because f the high speeds n Leminster Rad vehicles need t decelerate quickly in the left turn pcket r begin decelerating in the thrugh lane f Leminster Rad because f the shrt length f the left turn pckets. This may cause rear-end crashes. Page 7

11 Rad Safety Audit Leminster Rad (Rute 12) and Chcksett Rad - Sterling, MA Althugh there were n recrded rear-end crashes f this type, it is a safety issue that shuld be addressed. Yielding nt nrthbund Leminster Rad frm westbund Chcksett Rad Drivers yielding nt nrthbund Leminster Rad frm westbund Chcksett Rad must yield t fast mving traffic. The lack f an acceleratin lane may frce vehicles t cme t a cmplete stp at the yield sign when ther vehicles are expecting t rll thrugh. In additin hesitant yielding drivers may require larger gaps than aggressive drivers. This may cntribute t sme f the rear-end crashes. The cnfiguratin f the westbund Chcksett Rad right turn is such that a driver must turn his/her head ver the shulder t see if any traffic is traveling nrthbund n Leminster Rad causing the driver t lse sight f a vehicle in frnt f him/her. This may cntribute t many f the rear-end crashes. Large green directinal sign legend fr I-190 may be cnfusing It was nted during the audit that a large green directinal sign lcated abut 1000 feet suth f Chcksett Rad n nrthbund Leminster Rad reading INTERSTATE 190 ½ MILE AHEAD was causing cnfusin t sme drivers. Sme drivers may mistakenly think that Chcksett Rad was the entrance t Interstate 190. The sign placement is at a lcatin that results in drivers using their turn signal t switch lanes t access I-190 at a time when a westbund Chcksett Rad driver thinks they are turning right nt Chcksett Rad and prceeds thrugh the intersectin. Lack f advanced warning signs n all directins N advanced stp/yield ahead signs n westbund Chcksett Rad were present at the intersectin. Advanced intersectin ahead signs n nrthbund and suthbund Leminster Rad were set t clse t the intersectin nt giving enugh time fr drivers t react. Chcksett Rad name sign difficult t read The Chcksett Rad name sign was set t far back frm the curb and was t small t read frm a far distance. This may add uncertainty t drivers and cause impulsive sudden maneuvers fr unfamiliar drivers lking fr Chcksett Rad. Page 8

12 Rad Safety Audit Leminster Rad (Rute 12) and Chcksett Rad - Sterling, MA Ptential Safety Enhancements After the site visit, audit participants returned t the meeting lcatin, where the audit team was asked t discuss the safety issues and cnsider imprvements. Audit participants were encuraged t cnsider bth shrt and lng term imprvements fr each issue. Each imprvement cnsidered has been categrized as shrt-term, mid-term, r lng-term based n the definitins shwn in Table 2. Additinally, a cst categry has been assigned t each imprvement based n the parameters set frth in Table 2. Table 2. Estimated Time Frame and Csts Breakdwn Table 2. Estimated Time Frame and Csts Breakdwn Time Frame Csts Shrt-term <1 year Lw <$10,000 Mid-term 1 3 years Medium $10,000 $50,000 Lng-term >3 years High >$50,000 The fllwing imprvements are recmmended by audit participants t imprve safety issues assciated with the intersectin f Leminster Rad (Rute 12) and Chcksett Rad: Signing imprvements Advanced stp/yield ahead signs Adding advanced stp/yield ahead signs (W3-1 and W3-2) n the right and left sides f Chcksett Rad prir t the intersectin will allw drivers t prepare t stp/yield in a safe manner and make them aware f any ptential queuing. This is a lw-cst and shrt-term imprvement. Larger stp/yield signs Upgrading t larger 36 stp and yield signs n the right and left sides f the rad up will emphasize the need t stp/yield and will make the signs mre visible frm farther away. This is a lw-cst and shrt-term imprvement. Set advanced intersectin ahead signs n right and left sides f Leminster Rad at recmmended distance frm intersectin MUTCD states that the recmmended distance t set advanced intersectin ahead signs (W2-1) and name plate signs (W16-8P) is 990 feet away frm the intersectin n a multilane highway with a speed f 55 m/h. Warning signs n the right and left sides f the rad is als recmmended. This insures that drivers are well aware f the intersectin and name f the rad ahead. This is a lw-cst and shrt-term imprvement. Easier t read street name sign fr Chcksett Rad Page 9

13 Rad Safety Audit Leminster Rad (Rute 12) and Chcksett Rad - Sterling, MA By mving the Chcksett Rad street name sign clser t the curb f Leminster Rad and by making it larger will allw drivers n Leminster Rad t knw what rad it is. This is a lw-cst and shrt-term imprvement. Review legend f I-190 directinal sign n Leminster Rad nrthbund prir t Chcksett Rad. Redesigning the legend n the large green I 190 directinal sign lcated n Leminster Rad nrthbund prir t the Chcksett Rad intersectin in a way that drivers will be mre infrmed abut the rad layut may reduce driver cnfusin. A pssible design can be seen n the right. A detailed draft design can be fund in Appendix D. Remve signs and trim shrubbery n nrth-west crner f intersectin Sight distance will imprve dramatically fr Chcksett Rad eastbund by remving/mving signs and trimming shrubbery n the nrth-west crner f the intersectin. It shuld be nted that any private sign lcated n private prperty may require crdinatin with private prperty wners befre any implementatins. This is a lw-cst and shrt-term imprvement. Prvide an acceleratin lane fr westbund vehicles n Chcksett Rad merging nt nrthbund Leminster Rad. By prviding an acceleratin lane fr vehicles Chcksett Rad merging nt nrthbund Leminster Rad merging vehicles can match the speed f vehicles n Leminster Rad nrthbund and merge int traffic withut needing t cme t a stp. This is a mid-term and high cst imprvement. Narrwing crss sectin The large pavement area arund the intersectin prmtes high speeds. By reducing the crss sectin f the rad (narrwing the rad) drivers will feel the need t travel at slwer speeds making the intersectin s peratins safer. This is a high-cst and mid-term imprvement. Remve lanes n Leminster Rad Cnverting Leminster Rad int a tw lane rad (ne lane in each directin) may be feasible and will have the fllwing safety benefits: Page 10

14 Rad Safety Audit Leminster Rad (Rute 12) and Chcksett Rad - Sterling, MA Less lanes t crss ver when turning left Less ppsing vehicles making ppsing maneuvers Slwer speeds due t the reduced crss sectin. Remving a lane can be dne as a medium-cst and shrt-term imprvement by recnfiguring pavement markings. It shuld be nted that an engineering study is required prir t any recnfiguratin. Offset left turn lanes n Leminster Rad By ffsetting left turn lanes n Leminster Rad vehicle s views will nt be blcked by each ther if tw ppsite vehicles are in the left turn lanes. This mdificatin wuld require the physical mdificatin f the existing median n Leminster Rad. This is a high-cst and mid-term imprvement. Cnvert right thrugh travel lane t right turn nly lane n nrthbund Leminster Rad It was suggested t cnvert the right thrugh travel lane n nrthbund Leminster Rad t a right turn nly lane and eliminate the existing nrthbund right turn nly lane. This prpsal has the fllwing benefits: One thrugh lane n Leminster Rad creating less ppsing lanes fr Chcksett Rad Westbund vehicles turning right frm Chcksett Rad will have their wn lane t enter Leminster Rad eliminating the need t yield. An engineering study including weaving effects dwnstream is necessary befre implementatin. This is a medium-cst and mid-term imprvement. Make Chcksett Rad west f the intersectin departure nly (ne-way westbund) It was suggested t make the western leg f Chcksett Rad ne-way away frm the intersectin (westbund traffic nly). This will reduce the amunt f ppsing maneuvers at the intersectin. It shuld be nted that this will restrict access t Leminster Rad frm the residential neighbrhds t the west f the intersectin and may prmte cut-thrughs thrugh Mela s Wayside Ice Cream s parking lt. The change may als create increased traffic and affect safety at a surrunding intersectin. Crdinatin between the Twn f Sterling and MassDOT wuld be required alng with a study. This wuld be a lw-cst and shrt-term imprvement. Remve sectin f median alng Leminster Rad fr plice vehicles Page 11

15 Rad Safety Audit Leminster Rad (Rute 12) and Chcksett Rad - Sterling, MA The Sterling Plice Department s driveway is lcated n the east side f Leminster Rad abut 1000 feet nrth f the intersectin f Chcksett Rad. At this lcatin there is a raised curb median. In emergency situatins when plice need t travel suth n Leminster Rad they will drive ver the raised curb median which causes damage t the undercarriage and suspensin f their cruisers. Creating a break in the median at this lcatin in frnt f the plice department s driveway shuld be strngly cnsidered during intersectin imprvements. Nte it may be necessary t install N U Turn signs (R3-4) paired up with Authrized Vehicles Only signs (R5-11). Intersectin cntrl T enhance cntrl at the intersectin the RSA team suggested installing traffic signals r a rundabut. Signalizing the intersectin will ease the issue f cnflicting maneuvers hwever may intrduce ther safety prblems such as rear-end crashes which generally ccur at signalized intersectins. Lw vlumes frm Chcksett Rad als suggest that a traffic signal may be impractical. A rundabut will als eliminate the issue f cnflicting maneuvers and will als add the advantage f traffic calming which will reduce speeds in the area. Because f this a rundabut is preferred ver traffic signals. Thrugh engineering studies must be cnducted befre any f these recmmendatins are implemented. Bth f these suggestins are high-cst and lng-term imprvements. The fllwing imprvements were suggested by audit participants but are nt recmmended fr imprvement in safety issues assciated with the intersectin f Leminster Rad (Rute 12) and Chcksett Rad: Transverse rumble strips n Chcksett Rad Adding transverse rumble strips t Chcksett Rad n the westbund apprach t the intersectin t warn drivers f the intersectin was suggested during the Audit. Due t the nise this may be undesirable t residents in the nearby area and therefre is nt a suggested imprvement. Reducing vehicle speeds by lwering the speed limit Lwering the speed limit arbitrarily will nt reduce vehicle speeds. Speed limits are based n several factrs including the 85 th percentile free-flw speed (refer t MassDOT s 2012 Prcedures fr Speed Zning n State and Municipal Radways). Unless significant gemetric changes are made t the radway t reduce the 85 th percentile free flw speed, reducing the speed limit will be infeasible. Page 12

16 Rad Safety Audit Leminster Rad (Rute 12) and Chcksett Rad - Sterling, MA Summary f Rad Safety Audit Table 3 summarizes ptential recmmendatins discussed by the audit team. The recmmendatins are categrized based n the ptential safety payff, as well as by time frame and cst. The safety payff is a qualitative judgment f the effectiveness f the ptential safety imprvements. Each recmmendatin has a respnsibility assigned t it stating whether MassDOT r the Twn f Sterling wuld be respnsible fr implementing the recmmended imprvement. Page 13

17 Rad Safety Audit Leminster Rad (Rute 12) and Chcksett Rad - Sterling, MA Table 3. Ptential Safety Enhancement Summary Safety Issue Ptential Safety Enhancement Safety Payff Time Frame Cst Respnsible Agency Prvide advanced stp/yield ahead signs (W3-1 and W3-2) Lw Shrt Lw MassDOT Prvide larger 36 stp/yield signs (R1-1 and R1-2) Lw Shrt Lw MassDOT Signage Set advanced intersectin ahead sign further back frm intersectin Lw Shrt Lw MassDOT n right and left sides f the rad Prvide a mre legible name sign fr Chcksett Rad in a mre Lw Shrt Lw MassDOT visible lcatin Visibility Remve/mve signs and trim shrubbery in nrth-west crner f intersectin Lw Shrt Lw MassDOT Prvide acceleratin lane fr vehicles merging nt Leminster High Medium High MassDOT Rad nrthbund Make Chcksett Rad ne-way in west f the intersectin. Lw Shrt Lw Twn/MassDOT Narrwing crss sectin Medium Medium High MassDOT Gemetry Remve lanes n Leminster Medium Shrt Medium MassDOT Rad Remve sectin f median fr plice vehicles in frnt f plice statin driveway n Leminster High Medium Medium MassDOT Rad Gemetry, Visibility Offset left turn lanes n Leminster Rad Lw Medium High MassDOT Cnvert right travel lane t right turn nly lane n Leminster Rad nrth High Medium Medium MassDOT Intersectin Cntrl Signalize the intersectin Medium Lng High MassDOT Cnstruct a rundabut High Lng High MassDOT Page 14

18 Appendix A. RSA Meeting Agenda

19 Appendix B. RSA Audit Team Cntact List

20 Appendix C. Detailed Crash Data

21 :l?!.ydm ;ndot COLLISION DIAGRAM CITY/TOWN: 2z:EI2Ur/if DATE PREPARED: 7 REGION: /"} /2. /'(_,. PREPARED BY: {]Q ROADWAY NAMES: L~,,#KEJt Rl!AO (.,- 12) ( C"a::Jc7/ RciA TIME PERIOD ANALYZED: SOURCE OF CRASH REPORTS: jv]ujla'5 t/.fl.yj!dc :Ccl C.Ri.Ar[ (((...,.. SYMBOLS TYPES OF CRASH SEVERITY Mving Vehicle Backing Vehicle Nn-Invlved Vehicle ~ ~ Head On Angle ---+~ Pedestrian Turning Mve &<6 Parked V chicle Fixed Object Bicycle ---+'1\l(J Animal -..I.. ~c Rear End Sideswipe c:s: IS cs... Out f Cntrl 0 Injury Acctdent 0 Fatal Accident

22 Crash Data Summary Table Leminster Rd (Rt 12) and Chcksett Rd; Sterling, MA 9/1/09-7/31/12 # Crash Date Time f Day Manner f Cllisin Light Cnditin Weather Cnditin Rad Surface Driver Cntributing Cde Ages Cmments m/d/y # Type Type Type Type Type D1 D2 D3 D4 1 9/9/09 1:28 PM 3 Angle Daylight Clear Dry Inattentin Operatr 1 thught peratr 2 was turning right int Chcksett Rd. 2 9/28/09 12:07 PM 3 Angle Daylight Clear Dry Failed t yield t right f way Dark - radway nt 3 10/28/09 6:30 PM 6 Head n lighted Rain Wet Wrng side r wrng way /3/09 2:32 PM 2 Rear-end Daylight Clear Dry Inattentin /28/09 7:48 AM 3 Angle Daylight Clear Wet Failed t yield t right f way Operatr 1 claimed t nt have seen vehicle 2 Dark - lighted 6 2/9/10 6:32 PM 11 radway Cludy Dry Failed t yield t right f way /1/10 2:55 PM 2 Rear-end Daylight Clear Dry Inattentin /29/10 5:11 PM 2 Rear-end Daylight Rain Wet Inattentin /24/10 5:30 PM 2 Rear-end Daylight Clear Dry N Imprper Driving /29/10 11:33 AM 2 Rear-end Daylight Clear Dry Other imprper actin /9/10 9:47 AM 99 Unknwn Daylight Clear Dry Other imprper actin /28/10 3:47 PM 2 Rear-end Daylight Clear Dry Inattentin /30/10 5:14 PM 2 Rear-end Daylight Clear Dry Inattentin /27/10 5:29 PM 2 Rear-end Daylight Clear Dry Other imprper actin /27/10 7:20 AM 3 Angle Daylight Rain Wet Failed t yield t right f way Operatr had right directinal n but did nt turn 16 12/6/10 7:31 AM 3 Angle Daylight Clear Dry Failed t yield t right f way /26/11 7:54 AM 2 Rear-end Daylight Cludy Ice N Imprper Driving Vehicle slipped n ice 18 4/7/11 1:50 PM 3 Angle Daylight Clear Dry Failed t yield t right f way /4/11 4:45 PM 2 Rear-end Daylight Clear Dry Inattentin /12/11 7:00 AM 3 Angle Daylight Clear Dry Failed t yield t right f way Operatr 1 claimed t have nt seen vehicle /13/11 6:54 AM 2 Rear-end Daylight Clear Dry Unknwn /31/11 7:48 AM 2 Rear-end Daylight Clear Dry Inattentin /6/11 9:11 AM 2 Rear-end Daylight Clear Dry Fllwed t clsely /15/11 12:49 PM 2 Rear-end Daylight Clear Dry Inattentin /1/11 12:46 PM 3 Angle Daylight Cludy Dry Inattentin Uninvlved vehicle waved vehicle n Chcksett 26 8/30/11 7:27 AM 2 Rear-end Daylight Cludy Dry Inattentin /8/11 2:00 PM 3 Angle Daylight Cludy Dry Inattentin Operating Vehicle in erratic, reckless, 28 10/22/11 4:16 PM 3 Angle Daylight Cludy Dry careless, negligent, r aggressive /30/11 11:26 AM 2 Rear-end Daylight Clear Dry Inattentin Dark - lighted radway Other Dry Failed t yield t right f way /2/11 7:07 PM 3 Angle 31 12/20/11 3:49 PM 2 Rear-end Daylight Clear Dry Inattentin /20/12 5:10 PM 2 Rear-end Daylight Clear Dry Inattentin /2/12 4:06 PM 2 Rear-end Daylight Cludy Dry Fllwed t clsely /16/12 7:48 AM 2 Rear-end Daylight Clear Dry Inattentin /8/12 1:35 PM 2 Rear-end Daylight Cludy Dry Fllwed t clsely /10/12 5:24 PM 2 Rear-end Daylight Clear Dry Inattentin /7/12 1:50 PM 2 Rear-end Daylight Clear Dry Inattentin /16/12 7:53 AM 3 Angle Daylight Rain Wet Failed t yield t right f way Dark - lighted 39 5/31/12 8:56 PM 4 Sideswipe, same directin radway Clear Dry Visibility Obstructed /11/12 4:31 PM 2 Rear-end Daylight Clear Dry Fllwed t clsely Operatr 2 turned right frm left lane frcing vehicle 1 (mtrcycle) int curb. Operatr 2 claims vehicle 1 was in blind spt. 41 7/27/12 3:53 PM 5 Sideswipe, ppsite directin Daylight Clear Dry Inattentin Fatal mtrcycle crash Dark - radway nt Disregarded traffic signs, signals, rad 42 7/28/12 9:51 PM 3 Angle lighted Cludy Wet markings Operatr 1 failed t stp at stp sign Summary based n Crash Reprts btained frm the Sterling Plice Department

23 Crash Data Summary Tables and Charts Leminster Rd (Rt 12) and Chcksett Rd; Sterling, MA CRASH MONTH 20% 15% 10% 5% 2% 5% 10% 12% 17% 7% 14% 5% 7% 10% 2% 10% 0% J F M A M J J A S O N D 30% 25% 20% 15% 10% 5% 0% CRASH DAY OF WEEK 26% 19% 17% 14% 12% 7% 5% Mnday Tuesday Wednesday Thursday Friday Saturday Sunday 40% 30% 20% 10% 0% 29% 21% CRASH TIME OF DAY 38% 12% 0% 0% 6-10AM 10-2PM 2-6PM 6-10PM 10-2AM 2-6AM 70% 60% 50% 40% 30% 20% 10% 0% 0% Single Vehicle Crash 59% CRASH MANNER OF COLLISION 32% Rear-end Angle Sideswipe, same directin 2% 2% 2% 0% 2% Sideswipe, ppsite directin Head n Rear t Rear Unknwn Crash Summary Data Sterling Rte 12 at Chcksett.xls 1 f 2 9/14/2012

24 Crash Data Summary Tables and Charts Leminster Rd (Rt 12) and Chcksett Rd; Sterling, MA 100% 80% 60% 40% 20% 0% 88% CRASH LIGHT CONDITION 0% 0% 7% 5% 0% 0% Daylight Dawn Dusk Dark - Lighted Radway Dark - Radway nt lighted Dark - unknwn radway lighting Other 0% Unknwn 70% 60% 50% 40% 30% 20% 10% 0% 67% 21% 10% CRASH WEATHER CONDITION 0% 0% 0% 0% 0% 2% 0% Clear Cludy Rain Snw Sleet, Hail, Freezing Rain Fg, Smg, Smke Severe Crsswinds Blwing sand, snw Other Unknwn 100% 80% 60% 40% 20% 0% 83% 14% CRASH ROAD SURFACE 0% 2% 0% 0% 0% 0% Dry Wet Snw Ice Sand, mud, dirt, il, gravel Water (standing, mving) Slush Other 0% Unknwn 25% 20% 15% 10% 5% 0% 24% 6% CRASH DRIVER AGES 24% 21% 11% 7% 2% % 80+ Crash Summary Data Sterling Rte 12 at Chcksett.xls 2 f 2 9/14/2012

25 Appendix D. Additinal Infrmatin

26 CXl 0 (!) --! _,.._ , ~ ; 3.0" Radius, 0.8" Brder, White n Green; Standard Arrw Custm 24.0" X 8.1" 90"; "TO" C 2K; "LEOMINSTER" C 2K; "WORCESTER" C 2K; ~ chcksett rd; 3.0" Radius, 0.8" Brder, White n Green; "CHOCKSETI" C 2K; "ROAD" C 2K; "NEXT RIGHT" C 2K;