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Home My WebLink AboutTraffic Study 03-17-93 A -. AMERICAN CONSULTING ENGINEERS? INC. ARCHITECTS ENGINEERS v�I 4165 MILLERSVILLE ROAD INDIANAPOLIS, INDIANA 46205-2998 (317)547-5580 FAX(317) 543-0270 JAMES A.WURSTER,P.E.,L.S.,AIA JOHN S.SPENCER,P.E. WILLARD E.HALE,P.E. WILLIS R.CONNER,P.E. MAX P.NEWKIRK,L.S. A.ROY SHURTLEFF,P.E. MARK C.HARRIS,P.E. MICHAEL H.WENNING,P.E. BOTTAMILLER TRAFFIC STUDY MICHAEL P.MARINARO,P.E. CHARLES P.SCHAEFER,P.E. CLINTON L.SPARKS,P.E. PAUL MEIER,AIA 12100 Spring Mill Road GORDON L.RICHARDSON,L.S. DAVID A.DAY,P.E. Indiana RICHARD R.HOOVER,P.E. Carmel, JANET E.STERLING,RLA TIMOTHY G.WOLFE,L.S. VINCE A.ROBERTS,P.E. MICHAEL R.HOOPINGARNER,AIA 44 Lot Subdivision ROBERT N.KENNEDY,FAIA MICHAEL M.JONES,AIA MATTHEW D.CASSEL,P.E. Prepared for: Dennis Bottamiller (ONL- S Prepared & Certified by: Cs)f �iaT Fo- REGISTRATION 16531 �� INDIANA-OHIO j KENTUCKY-MICHIGAN * STATE OF fj ILLINOIS-MISSOURI r MARYLAND-ARKANSAS ' //1, �r1' SOUTH DAKOTA-IOWA , OF . nIANN . Q` NEBRASKA-KANSAS ///J Ft, • •••\e\c��` TENNESSEE-E-WISCONSIN I // `S/O?Jh J (-NC' FLORIDA-WEST VIRGINIA R 1�+/yp/r,j7cb GEORGIA•MISSISSIPPI PENNSYLVANIA-TEXAS Clinton L. Sparks, P.E. VIRGINIA-MINNESOTA IDAHO-LOUISIANA Indiana Registration No. 16531 COLORADO-NEW JERSEY March 17, 1993 mc:cls\93181.cov CIVIL STRUCTURAL ENVIRONMENTAL SURVEYING PLANNING ARCHITECTURE AMERICAN CONSULTING ENGINEERS, INC. I. INTRODUCTION The studied site consists of approximately 25 acres which is being developed into 44 individual lots for single family dwellings . This site is located on the east side of Spring Mill Road between 116th Street and Dorsey Street in the City of Carmel, Indiana. The site will provide two access points onto Spring Mill Road separated by a distance of approximately 700 feet. American Consulting Engineers, Inc . (ACE) is to analyze the traffic operations of the roadway system in the vicinity of the site. H. DRIVE GEOMETRICS The proposed design of the access drives includes a northbound declaration taper and an additional 12-foot lane connecting both of the drives for the safe movement of turning vehicles into the site. The radius of the corners for all the approaches is 40 feet, which will provide a very comfortable turning radius into the site. With the proposed land use of single family housing, a very low volume of trucks will utilize these intersections . Spring Mill Road in this area is of a relatively flat grade providing an excellent sight distance, and is 24 feet wide providing two 12-foot lanes . The posted speed limit on Spring Mill Road is 40 MPH. III. TRAFFIC CONSIDERATIONS The existing traffic counts at the intersections of 116th Street, Dorsey Street and 131st Street with Spring Mill Road were provided by the City of Carmel . These volumes for the A.M. and P.M. peak hours are shown in Figures 1 and 2 . The Institute of Transportation Engineers ' Trip Generation manual was used to calculate the trip generations for the proposed site. Due to the small nature of this site, the current traffic volumes were not increased for a growth factor. This site should develop as soon as all necessary approvals are obtained. The generated volumes were then distributed to the roadway system and assigned to the various points of concern in the study area. The trips were assigned and distributed to the roadway system based on the existing percentages at the intersection of Dorsey Street. These volumes are illustrated in Figures 3 and 4 . The generated trips are then combined with the existing volumes to provide a total traffic volume at the intersections , which is shown in Figures 5 and 6 for the two studied time periods . The level of service (LOS) criteria for unsignalized intersections are stated in general terms and are based on delay ranges . The LOS criteria are shown in Table 1 . Level of Service for four-way stop controlled intersections are not specifically defined but the Highway Capacity Manual illustrates approximate capacities for a LOS "C" . The comparison of the existing and the full build-out LOS for each of the affected intersections are shown in Tables 2 through 4 . 1 mc:cls\93181.tis AMERICAN CONSULTING ENGINEERS, INC. Table 1 LEVEL OF SERVICE CRITERIA FOR UNSIGNALIZED INTERSECTIONS Reserve Capacity Expected Delay to (PCPH) Level of Service Minor Street Traffic >_ 400 A Little or no delay 300-399 B Short traffic delays 200-299 C Average traffic delays 100-199 D Long traffic delays 0-99 E Very long traffic delays 'When demand volume exceeds the capacity of the lane, extreme delays will be encountered with queuing which may cause severe congestion affecting other traffic movements in the intersection. This condition usually warrants improvements to the intersection Source: Highway Capacity Manual, 1985. 2 mc:cls\93181.tis b Ih lh 2 A ` J 4 131st Street 25 f r 21 -- 56 h r\ 49 J 2�8 Dorset St. r 4J' 1 � r 71 Pn 37 Cr) Creekwood Ln. \ r 0 o } r, Proposed "ter o Development fr �o 00 A.M. WEEKDAY PEAK HOUR w w ' 17 318 116 th Street J r 88 28 f r 397 ^h 21 EXISTING A.M. PEAK HOUR VOLUMES FIGURE NO. ' :-511^44J. SCALE None AMERICAN CONSULTING DATE. 3/17/93 u • � ENGINEERS INC. DRAWN BY C. Sparks ENGINEERS DRAWN BY: 1 �%ram: < ARCHITECTS J. 4165 MILLERSVILLE ROAD INDIANAPOLIS, INDIANA 46205 (317) 547.5580 Joe No. 93-181 (C)Copyright 1993 3 @ R w. ‘,..._ 6 131st Street 73 - , } r 19 —""- 14s. ti 25 ` c, l2R ` 177 1 J 65 70 Dorset St. 1a -} � tr 66 -�' a N- 19 a N CT .0 L Creek wood Ln. h 2 } r _. Proposed i ` r- Development V 00 P.M. WEEKDAY PEAK HOUR 2 `N 45 f36s 116 th Street i ` r '0' • 64 t ( 346 ~ nav 17 EXISTING P.M.' PEAK HOUR VOLUMES 1 AMERICAN CONSULTING DATE 3/1��93 FIGURE NO. s , : ENGINEERS INC. r"�'� �.;, �" ' DRAWN BY: C. Sparks . "F�y'�,'��,°-,�. 2 M a.;,;K DRAWN BY: ;> a ri?i ARCHITECTS ENGINEERS E2 4165 MILLERSVILLE ROAD INDIANAPOLIS, INDIANA 46205 (317) 547.5580 JOB No. 93-181 (C)Copyright 1993 4 IL 131st Street 1 Dorset St. Ol .0 �Q Creek wood Ln. r- 7 ( 9 Proposed r 7 Development N N 00 A.M. WEEKDAY PEAK HOUR N N 1 116 th Street ) 0, r 1 J r GENERATED A.M. PEAK HOUR VOLUMES 11.R<, ..:"6>xi'�: FIGURE NO. Wa AMERICAN CONSULTING DKALE:AB 3/17/93 None ENGINEERS, INC. Sparks `j DRAWN BY: C. ARCHITECTS ENGINEERS DRAWN BY: ..,. x<=:,,; i>4, 4165 MILLERSVILLE ROAD INDIANAPOLIS, INDIANA 46205 (317) 547.5580 JOB Na 93-181 (C)Copyright 1993 5 A. " - o IP& J 1 '. r- 1 st Street y ^ N.O 1 ` r s Dorset St. CO rL v JQ Creek wood Ln. 4O b ( 5 \ / f --- Proposed r- 3 Development 00 P.M. WEEKDAY PEAK HOUR N -- 116 th Street ` r GENERATED P.M. PEAK HOUR VOLUMES FIGURE NO. AMERICAN CONSULTING sCAEE: None DATE: 3/17/93 ENGINEERS, INC. DRAWN BY: C. Sparks 4 ARCHITECTS ENGINEERS DRAWN BY: , z 4165 MILLERSVILLE ROAD INDIANAPOLIS, INDIANA 46205 (317) 547 5580 JOB Na 93-181 (C)Copyright 1993 ,m x: 6 CO 0-1.1 - 2 (1 Aor 131st Street r 25 , - t r 21 - " 57 -\ , A h� - 49 J � 28 39 Dorset St. 71 _-'- ^e 38 C( 0) •C fLg. Creek wood Ln. * - 9 i \ r- 7 P)' t r� Proposed i ` •-"r- 9 Development tr N N 00 A.M. WEEKDAY PEAK HOUR eN' - 18 --- 318 116thStreet J i ` r88 39 J t r 397 --•-• N ^h 21 TOTAL A.M. PEAK HOUR VOLUMES •' ,,,„'%y.`;9 ib0 SCALE: None FIGURE NO. :t� s : AMERICAN CONSULTING DAZE: , ,,��® �' � " 3 17 93 ENGINEERS, INC. J� ;;:'• � F DRAWN BY: C. Sparks imila'F 1 DRAWN BY A, >.. ARCHITECTS ENGINEERS u k..0 ,.'...:M.,:; _:": 4165 MILLERSVILLE ROAD INDIANAPOLIS, INDIANA 46205 (317) 547.5580 doe Na 93-181 (C)Copyright 1993 k 7 J 16 9 131st Street r 73 } r 19 26 rn � 127 65 74 Dorset St. 10 } r 66 - N 20 CC ,C Creekwood Ln. ^e` 5 r- 3 Proposed "ter- 3 Development V 00 P.M. WEEKDAY PEAK HOUR e o N 47 116 th Street J ` r 104 67 1 } 346 ~ N b 17 ---\ TOTAL P.M. PEAK HOUR VOLUMES FIGURE NO. SCALE None ' AMERICAN CONSULTING DATE 5/17/93 � ENGINEERS, INC. DRANMBY: C. SPOrI(S 6 ARCHITECTS ENGINEERS DRAWN BY: r,. ., 4165 MILLERSVILLE ROAD INDIANAPOLIS, INDIANA 46205 (317) 547.5580 roe No. 93 181 (C)Copyright 1993 8 AMERICAN CONSULTING ENGINEERS, INC. TABLE 2 LEVEL OF SERVICE COMPARISON 116th Street & Spring Mill Road A.M. PEAK HOUR PERIOD P.M. PEAK HOUR PERIOD EXISTING BUILD OUT EXISTING BUILD OUT MOVEMENT VOLUME VOLUME VOLUME VOLUME SB—RT 58 60 58 60 SB—THRU 273 283 102 105 SB—LT 45 47 24 25 WB—RT 17 18 45 47 WB—THRU 318 318 388 388 WB—LT 88 88 104 104 NB—RT 152 152 64 64 NB—THRU 75 77 199 209 N B—LT 20 20 27 27 EB—RT 21 21 17 17 EB—THRU 397 397 346 346 EB—LT 28 39 64 67 SB & NB 623 639 474 490 WB &EB 869 881 964 969 TOTAL 1492 1520 1438 1459 % CAPACITY LOS "C" , 138 141 142 144 FROM HIGHWAY CAPACITY MANUAL TABLE 10-7 LOS 'C' LOS 'C' % SPLIT % SPLIT CAPACITY % SPLIT % SPLIT CAPACITY NB—SB 42 42 33 34 WB—EB 58 58 67 66 1080 1010 Page 9 c:clint\93181a AMERICAN CONSULTING ENGINEERS, INC. TABLE 3 LEVEL OF SERVICE COMPARISON Dorset Street & Spring Mill Road A.M. PEAK HOUR PERIOD P.M. PEAK HOUR PERIOD EXISTING BUILD OUT EXISTING BUILD OUT MOVEMENT VOLUME VOLUME VOLUME VOLUME SB—RT 7 7 9 9 SB—THRU 298 304 115 122 SB—LT 125 125 38 38 WB—RT 49 49 127 127 WB—THRU 28 28 65 65 WB—LT 38 39 70 74 NB—RT 53 60 51 53 NB—THRU 65 74 232 240 N B—LT 13 15 22 23 EB—RI 37 38 19 20 EB—THRU 71 71 66 66 EB—LT 4 4 10 10 SB & NB 561 585 467 485 WB &EB 227 229 357 362 TOTAL 788 814 824 847 % CAPACITY LOS "C" 82 85 72 74 FROM HIGHWAY CAPACITY MANUAL TABLE 10-7 LOS "C" LOS "C" % SPLIT % SPLIT CAPACITY % SPLIT % SPLIT CAPACITY NB—SB 71 72 57 57 WB—EB 29 28 43 43 960 1140 Page 10 c:clint\93181b AMERICAN CONSULTING ENGINEERS, INC. TABLE 4 LEVEL OF SERVICE COMPARISON 131st Street & Spring Mill Road A.M. PEAK HOUR PERIOD P.M. PEAK HOUR PERIOD EXISTING BUILD OUT EXISTING BUILD OUT MOVEMENT VOLUME VOLUME VOLUME VOLUME SB—RT 66 66 30 30 SB—THRU 371 376 109 114 SB—LT 32 32 16 16 WB—RT 2 2 6 6 WB—THRU 20 20 16 16 WB—LT 4 4 9 9 NB—RT 1 1 3 3 NB—THRU 82 88 300 307 N B—LT 34 37 47 48 EB—RT 56 57 25 26 EB—THRU 21 21 19 19 EB—LT 25 25 73 73 SB & NB 586 600 505 518 WB & EB 128 129 148 149 TOTAL 714 729 653 667 % CAPACITY LOS "C" 74 76 68 69 FROM HIGHWAY CAPACITY MANUAL TABLE 10-7 LOS "C" LOS "C" % SPLIT % SPLIT CAPACITY % SPLIT % SPLIT CAPACITY NB—SB 82 82 77 78 WB—EB 18 18 23 22 960 960 Page 11 c:clint\93181c AMERICAN CONSULTING ENGINEERS, INC. IV. CONCLUSION This development will minimally increase the traffic in the immediate area of the site, but does not change the LOS of the intersections. The minor amount of additional traffic can be accommodated without deteriorating the LOS at the intersections . The intersection of 116th Street and Spring Mill Road is currently beyond a LOS "C" and possibly should be considered for improvements in the near future. The poor LOS is experienced for short times during the day and this should be taken into consideration when evaluating this intersection. 12 mc:cls\93181.tis