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O-2026-016 - 1/22/2026 I ORDINANCE NO. 2026-016 2 3 AN ORDINANCE AMENDING CHAPTER 42, SECTION 42-127 AND 4 SECTION 42-129, CODE OF ORDINANCES (2018 EDITION), CITY OF 5 ROUND ROCK, TEXAS, ADOPTING A TEMPORARY CONSTRUCTION 6 SPEED ZONE FOR A PORTION OF GREENLAWN BOULEVARD 7 FROM IH 35 FRONTAGE ROAD TO LOUIS HENNA BOULEVARD; 8 PROVIDING FOR A SAVINGS CLAUSE AND REPEALING 9 CONFLICTING ORDINANCES OR RESOLUTIONS. 10 11 WHEREAS, Section 545.352 of the Texas Transportation Code establishes 12 prima facie reasonable and prudent speed limits for streets and highways situated in the 13 state of Texas, and 14 WHEREAS, Section 545.356(b) of the Texas Transportation Code gives the 15 governing body of a municipality the same authority as the Texas Transportation 16 Commission to alter prima facie speed limits when a highway is under repair, 17 construction or maintenance, and 18 WHEREAS, Chapter 2, Section 3 of the Procedures for Establishing Speed 19 Zones adopted by the Texas Transportation Commission states that normal speed 20 studies are not required on sections of a highway under construction, and 21 WHEREAS, construction will soon commence on a portion of Greenlawn 22 Boulevard from IH-35 to Louis Henna Boulevard, Now Therefore 23 BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF ROUND ROCK, 24 TEXAS: 25 I. 26 That Chapter 42, Section 42-127(7), of the Code of Ordinances (2018 Edition), 27 City of Round Rock, Texas, is hereby amended by deleting the following described 28 portions of streets: 29 Sec. 42-127. - Specified speed limits. 30 31 (7) The maximum prima facie speed limit shall be 45 miles per hour along the following streets: 0112.20252;4936-6270-4003 I ON FROM TO 2 — — 3 4 II. 5 That Chapter 42, Section 42-129, Code of Ordinances (2018 Edition), City of Round 6 Rock, Texas, is hereby amended to add subsection (h) which shall read as follows: 7 42-129.Temporary construction speed zones. 8 9 (h) During construction of Greenlawn Boulevard ("Project'), the temporary maximum prima 10 facie speed limit shall be reduced from forty-five (45) miles per hour to thirty-five (35) 11 miles per hour on a portion of Greenlawn Boulevard from IH-35 to Louis Henna 12 Boulevard. This temporary speed limit shall expire upon completion of the Project. 13 14 III. 15 A. All ordinances, parts of ordinances, or resolutions in conflict herewith are 16 expressly repealed. 17 B. The invalidity of any section or provision of this ordinance shall not 18 invalidate other sections or provisions thereof. 19 C. The City Council hereby finds and declares that written notice of the date, 20 hour, place and subject of the meeting at which this Ordinance was adopted was posted 21 and that such meeting was open to the public as required by law at all times during 22 which this Ordinance and the subject matter hereof were discussed, considered and 23 formally acted upon, all as required by the Open Meetings Act, Chapter 551, Texas 24 Government Code, as amended. 25 READ and APPROVED on first reading this the day of 26 �C� �i1�1�CLA 2026. 27 READ, APPROVED and ADOPTED on second reading this the n day of 28 12026. 2 1 2 3 CRAI R Mayor 4 City of ound o&, Texas 5 6 ATTEST: 7 8 ) . 9 ANN FRANKLIN, City Clerk 3 I I ___ O j I I _.. I 1 1 LEGEND li I CONSTRUCT 9 I R6`1R `` _, NEW ROAD ® THIS PHASE h -� ® CLOSED CONSTRUCT PREY PHASE I I In A TYPE III BARRICADE ® TEMPORARY ASPHALTROw V •75 t GREENLAIM BLVD PROP CHCNNAPERTRA SI ICE(HAL01) •30'C-C TRANSITION _ ____ _____ _______ ____________ _ o_._._._._._._._._._. ST 8011 `�IO• w TYPE III BARRICADECONSTRUCTION SIGN•F� �^ .+/ \ I I IH EXISTING TRAFFIC FLOWINRlF3 R____,AMF9�ROf I I I 10.00 �� TRAFFIC FL�I ._._._.L._._._. ../c o:WW SF�qq, I I W � WK ZN PAV MRK NON-REMOV /1�/' E NgE;.d'. I I I GREENLAWN BLVD Z (W'1 (4'1 (SLDI 1 r/ONA I I 'NRk ZN PAV MRK NON-REMDV (Yl l4'1 ISLD) II / .__._._._._._._._._-_._._._-_._._._._ ._._. -_._. E%IST 8011._. -_ _._._-_._._ _._JU WR K Z4 )PAY(DOT) NON-RENON BEGIN PROJECT II � � I ______________________________B__ ________ _J__________________ __ ___________________ w 'I (DOT) STA 2.32.99 -�� WR K ZN PAY MRK NON-REMOV ® (WI (24') (SLD) WORK TYPE III BARRICADE R6-IR I NOTE51 U ROADO ZONE G20-SOP ® ® Al.NDCSIDESTREETSI IN HALF j Z I I I I CLOSED TO MAINTAIN ACCESS AT ALL C) I I I SPEED TIMES. o Q Q I I I LIMIT RZ I 2. CONTRACTOR TO INSTALL U d I I C TEMPORARY 24' CULVERT TO V 0 W J ��/1 DRAIN MEDIAN. i N Q � 0 3. SIGN SPACING TO BE 160' UNLESS OTHERWISE w e Z 0 w SPECIFIED. i ; 0 m \ / 0 Z o Q R6 1R // = J 0 Z LL Ir /r w LLL W lL g \ o jN BEGIN TAPER \N = / STA 20.59.27 .d 38.44' LT i EXIST RD* t �'- Lochner 5 (GREENLAWN BLVD GREENL4wN _ - _-_._._._._._._ &VD �' �\y1J ' w 'END TAPER \� E STA 21.11.60 ROIMO WO[K izn•. 6 27.12' RT CHANNEDEVICES w3B'C/C WITH CHEVRONS \ --- - R6-IR _._ - TEMP 24-IN DRAINAGE / B E%IST ROw CULVERT (110 LFI / GRADE TO DRAIN ONE WAY R6-1R \\ STA 20-00.00 TAPER HEFT 1 T R6 IR S 00.00 •t' E 10 ® ® 40.J6' RT \\ \\ we Y \ \ sE. 30 10/13/2025 11173/47 PY% 1 T LEFT a I ROAD LANE LEFT . • o _so 100 CLOSED \- . o-5TL LANE WORK 3 5 cwB,48) e.4e1 CLOSED AHEAD � I 14B.4B1 wT-5 LEGEND 1 148x481 CW20-ID CONSTRUCT e i 14Bz4B1 ® THIS PHASE O _ 1 CHANNELIZING DEVICES STRUCT II 030' C/C WITH CHEVRONS I a -.-.-._._._._ ROM .-_-. - O ® TEMPORART ASPHALT.. 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SIGN SPACING TO BE 160' UNLESS OTHERWISE w W Z OW SPEC Ii IED. Z m 0 Z Z Q L 2 34LL & Z LL r z W • 0z Lu �� 8 °z u C GREENLANN BLVD K HAL011 o PROP?T._._ EXIST TRAFFIC SIGNAL -- ` O of L 1 � MI O 35.00 -.J• __. "�� 909 - BLVD •-'I-•-• GREENLAMN <I - - - - iia ,o Lochner Z: �, _ - - K - - 1 E J• p / 1 1 MODHR WOLW x.x b EXIST TRAFFIC SIGNAL LEFT R–� ' ryl ll �•' j LANE a 1 CLOSED 1 U _ROAD LANE LEFT 1 CW20-5TL 1 —OBo X �) ! WORK CLOSED i u8X4e1 1 C-R RBXEE Z o 1 AHEADCN20-5TL 1 3H5 I ackE1. (45X4B) 1 1 1 ' 1 w3-5 1 c 1 1. Cwz0 -1D 1 14CB.4B1 I4B.4B) 1 1 31 343 `. z 10/13/2025 11,33149 PM J - Igo 0 SP EN R6-IR \\• o. LEGEND 111 \ CONSTRUCT FLASHING ARROW BOARD ® ` '�Q ® THIS PHASE p p� R6-1R END TAPER \``` sn IIIpIIpCONSTRUCT STA 45.45.95 \�• ``�• �fc'/,'S PREV PHASE 13.67' LT • 3 \ At a a CHANNELIZING DEVICES \,� ® TEMPORARY ASPHALT 03B'C/C WITH CHEVRONS `/ p j TEMPORARY PAVEMENT • CHANNEL(ZING DEVICE•JS' H� TO BE REPLACED BY / C-C TAPER H (GREENLAWN BLVD PERMENANT PAVEMENT y+! ,y 0 30'C-C TRANSITION �. - •� (HAL IN PHASE 5 017 TYPE 111 BARRICADE �"OF YAYYT BEGIN TAPER pd�. r y i CONSTRUCTION SIGNSTA 47-00 33.67• LTB _ _ S,Po - - -_-__- - -_--- _ _ . '\ a EXISTING TRAFFIC FLOW �''"•",'�``fS RYM SHIRO C .-.-.-----.-.--- 4.. TRAFFIC FLOW (tJ,B5x �. YIRK 2N PAV MRK NON-REMOV NIEN`>`1I •� (W) 14'1 (SLD) INA ® WRA ZN PAV MRK NON-REMOV IYI 14"1 ISLO) BEGIN TAPER 'CHANNELIZING DEVICES - STA 9, 66.65 0311'[/C WITH CVIEVRONS `•ti•• ® YIRK ZN PAV MRK NON-REIIOV o (111 14"1 (DOT) 23.99' RT �-1 GREENLAWN BLVD B __ _______ ® IWI 124'1 (SLD) YIRK ZN PAV MRK NON-REMOV xN `•� -� - - -� F R6-IR R6-IR � - - -.-.- - - Y ® OF,ST HOW Fi- NOTES- R6 IR L3 ® tt I 1. CONSTRUCT DRIVEWAYS p AND SID STREETS IN HALF Z END TAPER TYPE 111 BARRICADE TO MA NTAIN ACCESS AT ALL p Z STA 47.00 34.37' RT R6-IR I ® TIMES. Y Q ®I 2. CONTRACTOR TO INSTALL V d I TEMPORARY CULVERT i0 Q W DRAIN MEDIAN-AN. = O � O J. SIGN PACING TO BE WORK TYPE 111 BARRICADE 60' UNLEESS OTHERWISE w = Z ZONE G20-50P SPECIFIED. i Z)m Z(1)EXISTING RJ-SLSS - LU3 2 Z Q Q SPEED NI ARGNS PLACE ROW PLAQUE LOVER EFT TURN i O N U d LIMIT I i CENTER THRU ARROW 1 ; 9 0 V g 35 RZ '' 1 r W LL ■ w >I i . o ULu F- g m, al OILY 0 ONLY I ' IIUr e (GREENLAWN BLVD N N IHAL011 1 m W O� TYPE III BARRICADE �[P ExIS ROW B 00/bIGv.. _ o �/ _•_ f .- - 1 e a ��_. Lochner e _ ------ -- - o _ 1 _. ._ I we til ZONE ..L......�.�•1•�' GREENLAWN BLVD I u —a __ ----- I 1 ROAD ---------- SPEED arae m "0 WK tH v4v MRK - - Ilbtlll LIMIT uN WORK (' 3 5 AHEAD RDUN°R°c, �� REMDV (WI IARROWI - ENO PROJECT T/ 35 Cw7-5 Cw20-t0 411,48) • - � I 160' 160' I END TAPER STA 21.11.60 of Raga Woc, •� I 8.86' RT R6-IR \ 1 ® CHANNELIZING DEVICES a 1 I CHA03@'C/C WITH CHEVRONS R°uA AWwmm y I I BEGIN TAPER 1W1Yl0}4 STA 55.08.00 c 32.03' RT -R 32 v 343 1./131202 11.1 150 PM% (fp- Lochner 710 Hester's Crossing Road I Suite 110 Round Rock,TX 78681 OFFICE 512.338.1704 hwlochner.com @egis December 9th, 2025 710 Hester's Crossing Road, Suite 110 Round Rock,TX 78681 Charles Yamashiro Project Engineer Transportation 710 Hester's Crossing Road, Suite 110 Round Rock,TX 78681 Dear Mr. Ramirez: This letter provides justification for reducing the overall construction work zone speed limit on Greenlawn Blvd,from IH-35 to Louis Henna Blvd, from the currently posted 45 mph to a temporary work zone speed limit of 35 mph. Per TMUTCD Section 6C.01.12, "Reduced speed limits should be used only in the specific portion of the TTC(temporary traffic control)zone where conditions or restrictive features are present. However, frequent changes in the speed limit should be avoided.A TTC plan should be designed so that vehicles can travel through the TTC zone with a speed limit reduction of no more than 10 mph."This project includes crossover transitions that are designed with a reduced speed limit of 25 mph. Maintaining the existing 45 mph speed limit through the remainder of the construction work zone would create a 20-mph reduction at each crossover,which does not comply with TMUTCD guidance. Implementing an overall work zone speed limit of 35 mph,with additional reductions only at the crossover locations, ensures compliance with TMUTCD requirements and provides a consistent speed pattern for drivers. In addition, lane widths during construction phases 2, 3, and 4 will be reduced to 10.5 feet,which is 1.5 feet narrower than the existing 12-foot lanes.A lower speed limit will help improve driver safety as vehicles navigate these narrow lanes within the active work zone. This reduced speed limit is intended to remain in effect only for the duration of active construction. Thank you, Charles Yamashiro '*• .... ...I jCHARLES R.YAMA.... �j 9:,� 734952 Q;:def ............... � E NEN�� 12/9/2025 1 _ � ' ,ten• ` r ��,a • � i IA se c _ 1 wrc y` 1 �,.� ra.•� • '• /17lot 0 r F. �.._ .. �. t ww rz:..:s •�.s.—�-'�`wt' � 1 ,�� "f'lli....•�. �"' _ � ��� ,;`'--C� y,•�. �r iL r •' ♦. , s Y-•.k t r'. ' - ♦ ".` 4 i'c, ,' -1� ^ t1•• '`~••,.rtes^'' ,\•!��♦ l i •t �► r ;„� i,,4, ,rte` � LJ / � {• r J� � �r`.�, `r ►. Legend • � til- s' �' � 1 Greenlawn Boulevard Widening Af Greenlawn Boulevard ROUND ROCK Round Rock Public Works Department 0 500 1.000 Feet September 2024 1 1 1