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Roundabout Planning, Design, and Operations Manual
Roundabout Planning, Design, and Operations Manual December 2015 Alabama Department of Transportation ROUNDABOUT PLANNING, DESIGN, AND OPERATIONS MANUAL December 2015 Prepared by: The University Transportation Center for of Alabama Steven L. Jones, Ph.D. Abdulai Abdul Majeed Steering Committee Tim Barnett, P.E., ALDOT Office of Safety Operations Stuart Manson, P.E., ALDOT Office of Safety Operations Sonya Baker, ALDOT Office of Safety Operations Stacey Glass, P.E., ALDOT Maintenance Stan Biddick, ALDOT Design Bryan Fair, ALDOT Planning Steve Walker, P.E., ALDOT R.O.W. Vince Calametti, P.E., ALDOT 9th Division James Brown, P.E., ALDOT 2nd Division James Foster, P.E., Mobile County Clint Andrews, Federal Highway Administration Blair Perry, P.E., Gresham Smith & Partners Howard McCulloch, P.E., NE Roundabouts DISCLAIMER This manual provides guidelines and recommended practices for planning and designing roundabouts in the State of Alabama. This manual cannot address or anticipate all possible field conditions that will affect a roundabout design. It remains the ultimate responsibility of the design engineer to ensure that a design is appropriate for prevailing traffic and field conditions. TABLE OF CONTENTS 1. Introduction 1.1. Purpose ...................................................................................................... 1-5 1.2. Scope and Organization ............................................................................... 1-7 1.3. Limitations ................................................................................................... -
City Maintained Street Inventory
City Maintained Streets Inventory DATE APPROX. AVG. STREET NAME ACCEPTED BEGINNING AT ENDING AT LENGTH WIDTH ACADEMYText0: ST Text6: HENDERSONVLText8: RD BROOKSHIREText10: ST T0.13 Tex20 ACADEMYText0: ST EXT Text6: FERNText8: ST MARIETTAText10: ST T0.06 Tex17 ACTONText0: WOODS RD Text6:9/1/1994 ACTONText8: CIRCLE DEADText10: END T0.24 Tex19 ADAMSText0: HILL RD Text6: BINGHAMText8: RD LOUISANAText10: AVE T0.17 Tex18 ADAMSText0: ST Text6: BARTLETText8: ST CHOCTAWText10: ST T0.16 Tex27 ADAMSWOODText0: RD Text6: CARIBOUText8: RD ENDText10: OF PAVEMENT T0.16 Tex26 AIKENText0: ALLEY Text6: TACOMAText8: CIR WESTOVERText10: ALLEY T0.05 Tex12 ALABAMAText0: AVE Text6: HANOVERText8: ST SWANNANOAText10: AVE T0.33 Tex24 ALBEMARLEText0: PL Text6: BAIRDText8: ST ENDText10: MAINT T0.09 Tex18 ALBEMARLEText0: RD Text6: BAIRDText8: ST ORCHARDText10: RD T0.2 Tex20 ALCLAREText0: CT Text6: ENDText8: C&G ENDText10: PVMT T0.06 Tex22 ALCLAREText0: DR Text6: CHANGEText8: IN WIDTH ENDText10: C&G T0.17 Tex18 ALCLAREText0: DR Text6: SAREVAText8: AVE CHANGEText10: IN WIDTH T0.18 Tex26 ALEXANDERText0: DR Text6: ARDIMONText8: PK WINDSWEPTText10: DR T0.37 Tex24 ALEXANDERText0: DR Text6: MARTINText8: LUTHER KING WEAVERText10: ST T0.02 Tex33 ALEXANDERText0: DR Text6: CURVEText8: ST ARDMIONText10: PK T0.42 Tex24 ALLENText0: AVE 0Text6:/18/1988 U.S.Text8: 25 ENDText10: PAV'T T0.23 Tex19 ALLENText0: ST Text6: STATEText8: ST HAYWOODText10: RD T0.19 Tex23 ALLESARNText0: RD Text6: ELKWOODText8: AVE ENDText10: PVMT T0.11 Tex22 ALLIANCEText0: CT 4Text6:/14/2009 RIDGEFIELDText8: -
East Midtown Waterfront Esplanade Community Working Group June 24, 2013
East Midtown Waterfront Esplanade Community Working Group June 24, 2013 East Midtown Waterfront Esplanade Project : Community Working Group 06/24/13 1 Agenda I. Project Overview a) Project Goals b) Project Considerations c) Progress Update II. Pre-Concept Design a) Design Inspiration b) Community Working Group 1 Meeting Summary c) Responding to Community Aspirations III. Breakout Session IV. Reporting Back V. Project Timeline and Next Steps East Midtown Waterfront Esplanade Project : Community Working Group 06/24/13 2 I Project Overview Site Context East Midtown Waterfront Esplanade Project : Community Working Group 06/24/13 4 Project Overview Contemplated by State legislation in July 2011: . Sponsored by State Assemblymember Brian Kavanagh and State Senator Liz Krueger (locally by Councilmember Daniel Garodnick) Project purpose: . Construct a continuous greenway from East 38th – 60th Street along the East River to create a critical transportation connection and to provide new open space to alleviate chronic shortage in the immediate area East Midtown Waterfront Esplanade Project : Community Working Group 06/24/13 5 Project Goals Provide Critical Transportation Route Achieve major transportation need and policy goal by filling critical gap . East Side of Manhattan lacks dedicated greenway for non-motorized transportation; creating one is a major public policy goal . Improve transportation options for thousands of pedestrians, joggers, rollerbladers and cyclists . Support alternative forms of transportation for New Yorkers and improve air quality Bicyclist on 2nd Ave & 38th Street NYC Bike Map in 2016 East Midtown Waterfront Esplanade Project : Community Working Group 06/24/13 7 Provide Waterfront Access & Open Space Provide waterfront access and new open space for densely populated East Midtown communities . -
Complete Streets Evaluation 2016 Planning Partners Conference
December 02, 2016 Complete Streets Evaluation 2016 Planning Partners Conference Topics Covered in this Presentation • What is a Complete Street? • Benefits and Challenges of Complete Streets • What is MMLOS? • Importance of Multimodal Evaluations • Methods of Evaluating MMLOS • Making Connections in Adams County What is a Complete Street? Complete Streets are streets for everyone. They are designed and operated to enable safe access for all users, including pedestrians, bicyclists, motorists and transit riders of all ages and abilities. Complete Streets make it easy to cross the street, walk to shops, and bicycle to work. They allow buses to run on time and make it safe for people to walk to and from train stations. -National Complete Streets Coalition What is a Complete Street? • Maximized auto capacity • Limited left-turn access • Limited pedestrian space • Long crossing distances for pedestrians • No clear cycling space Charlie Gandy – Livable Communities Inc. What is a Complete Street? • Reduced auto capacity • Dedicated cycling space • Increased left-turn access • Limited pedestrian space • Long crossing distances for pedestrians Charlie Gandy – Livable Communities Inc. What is a Complete Street? • Reduced auto capacity • Dedicated cycling space • Increased left-turn access • Limited pedestrian space • Increased treatments for safe pedestrian crossings Charlie Gandy – Livable Communities Inc. Benefits of Complete Streets Economic Roadway safety Shifting preferences for development urban environments Economic Benefits of Complete Streets Property Values: • Properties values along the Indianapolis Cultural Trail increased 148% after construction Indiana University Public Policy Institute Indianapolis Cultural Trail Economic Benefits of Complete Streets Property Values: • A one-point increase in WalkScore.com rating is associated with a $700 to $3,000 increase in property values Smart Growth America Economic Benefits of Complete Streets Retail Sales: • A study based on 78 businesses in Portland found that non-drivers spend similar amounts or more than drivers. -
What Are the Advantages of Roundabouts?
What is a roundabout? A roundabout is an intersection where traffic travels around a Circulatory central island in a counter- Truck Apron Roadway clockwise direction. Vehicles entering or exiting the roundabout must yield to vehicles, bicyclists, and pedestrians. Figure 1 presents the elements of a roundabout. Yield Line Splitter Island Figure 1: Elements of a Roundabout What are the advantages of roundabouts? • Less Traffic Conflict: Figure 2 compares the conflict points between a conventional intersection and a modern roundabout. The lower number of conflict points translates to less potential for accidents. • Greater safety(1): Primarily achieved by slower speeds and elimination of left turns. Design elements of the roundabouts cause drivers to reduce their speeds. • Efficient traffic flow: Up to 50% increase in traffic capacity • Reduced Pollution and fuel usage: Less stops, shorter queues and no left turn storage. • Money saved: No signal equipment to install or maintain, plus savings in electricity use. • Community benefits: Traffic calming and enhanced aesthetics by landscaping. (1) Statistics published by the U.S. Dept. of transportation, Federal Highway Administration shows roundabouts to have the following advantages over conventional intersections: • 90% reduction in fatalities • 76% reduction in injuries • 35% reduction in pedestrian accidents. Signalized Intersection Roundabout Figure 2: Conflict Point Comparison How to Use a Roundabout Driving a car • Slow down as you approach the intersection. • Yield to pedestrians and bicyclists crossing the roadway. • Watch for signs and pavement markings. • Enter the roundabout if gap in traffic is sufficient. • Drive in a counter-clockwise direction around the roundabout until you reach your exit. Do not stop or pass other vehicles. -
Oakmont Phase 2 Selection Sheet
Oakmont Phase 2 Selection Sheet Lot #: ________ Address: ______________________________ Brick: CHOOSE ONE (White Mortar $1,000 upgrade) Annandale Canal Street Stone Chase Forest Glen Charleston Nottingham Tudor Old Waverly Hardy Plank Color (Sherwin Williams) (CHOOSE ONE): _______________________________ Exterior Trim (Sherwin Williams) (CHOOSE ONE): _______________________________ Window Color (CHOOSE ONE): White Almond Front Door & Shutters (if applicable) (CHOOSE ONE): _______________________ Interior Wall Paint Colors: SHERWIN WILLIAMS FLAT LATEX PAINT (Please include name & number) (2 COLORS MAXIMUM) Color #1:___________________________________ Location:__________________________________ Color #2:___________________________________ Location: _________________________________ Interior Trim Color (CHOOSE ONE) : ______________________________ Gutters Color (CHOOSE ONE) : ______________________________ Bronze Tuxedo Gray Dark Gray Pearl Gray All selections are to be approved by builder and subject to change without notice due to supplier availability. Cabinet Style (CHOOSE ONE) : Bella Sedona Cabinet Color (CHOOSE ONE) : Bistro White White Fog Taupe Graphite Ebony Willow Cappucino Smoke Coffee Hardware (CHOOSE ONE PULL AND CHOOSE ONE KNOB): Knob Style #:__________________ Pull Style#:__________________ Plumbing Fixtures (CHOOSE ONE): Oil Rubbed Bronze Brushed Nickel Countertops (CHOOSE ONE GRANITE FOR THE KITCHEN & CHOOSE ONE GRANITE FOR ALL BATHROOMS): Colonial White Black Pearl Black Pearl Leathered Ash Blue White Shadow Stormy Night -
Rules for Driving Roundabouts
RULES FOR DRIVING ROUNDABOUTS www.wisconsinroundabouts.gov General information for all roundabouts Steps for driving a roundabout: Roundabouts are becoming more common 1. Slow down. Obey traffic signs. in the U.S. because they provide safer and 2. Yield to pedestrians and bicyclists. more efficient traffic flow than standard 3. Yield to traffic on your left intersections. By keeping traffic moving one-way already in the roundabout. in a counterclockwise direction, there are fewer 4. Enter the roundabout when conflict points and traffic flows smoothly. there is a safe gap in traffic. Crash statistics show that roundabouts 5. Keep your speed low reduce fatal crashes about 90%, reduce within the roundabout. injury crashes about 75%, and reduce overall 6. As you approach your exit, crashes about 35%, when compared Draft 5 February 2, 2009 turn on your right turn signal. to other types of intersection control. 7. Yield to pedestrians and When driving a roundabout, the same bicycles as you exit. general rules apply as for maneuvering Emergency vehicles in the roundabout through any other type of intersection. P Always yield to emergency vehicles. Truck apron P If you have not entered the roundabout, pull Large vehicles need more space when driving over and allow emergency vehicles to pass. in a roundabout. A truck apron is a paved area P If you have entered the roundabout, on the inside of the roundabout for the rear wheels continue to your exit, then pull over of large trucks to use when turning, sometimes and allow emergency vehicles to pass. referred to as off-tracking. -
Regional Freight Mobility Study, Phase II Report
Corpus Christi – Yoakum Regional Freight Mobility Study, Phase II Report TABLE OF CONTENTS EXECUTIVE SUMMARY ........................................................................................................ES-1 SECTION 7 - ANALYSIS OF RAIL/ROADWAY INTERFACE ISSUES .....................................7-1 7.1 METHODOLOGY.......................................................................................................7-1 7.1.1 Crossing Selection Criteria.............................................................................7-1 7.1.2 Rail Occupancy ..............................................................................................7-4 7.1.3 Analysis of Results .........................................................................................7-8 7.2 GRADE CROSSING COST/BENEFIT ANALYSIS...................................................7-10 7.2.1 Construction Cost Estimates ........................................................................7-10 7.2.2 Benefit-Cost Analysis ...................................................................................7-26 7.3 RECOMMENDATIONS ............................................................................................7-31 SECTION 8 - BOTTLENECK IMPROVEMENTS EVALUATION AND MODELING ..................8-1 8.1 PROJECTED TRAFFIC GROWTH ............................................................................8-1 8.1.1 2035 Train Forecasts......................................................................................8-1 8.1.2 Results............................................................................................................8-2 -
How to Drive in a Roundabout America in the Spring of 1990 by Constructing the First Circular Intersection in Summerlin, a Suburb of Las Vegas
The Modern Roundabout Nevada introduced the modern roundabout to How to drive in a Roundabout America in the spring of 1990 by constructing the first circular intersection in Summerlin, a suburb of Las Vegas. Still many drivers in Nevada are unfamiliar with them despite the many benefits offered by the modern roundabout. New roundabouts have been constructed at Kietzke Lane & Neil Road in Reno and at Eagle Canyon and La Posada Drives off the Pyramid Highway. These roundabouts have improved traffic flow and safety on these roadways. Modern roundabouts offer many proven benefits: improved safety, reduction in delays and lower maintenance costs. Roundabouts can be a single lane or multi-lane intersection. Studies have shown roundabouts reduce vehicle collisions by 39% and injury producing accidents by 76%. Roundabouts also improve traffic flow when replacing stop signs or traffic signals at intersections by as much as 75%. There are significant savings in maintenance costs of up to $5000 annually versus the costs Artist rendering of Kietzke Lane/Neil Road Roundabout associated with traffic signals. This brochure provides you with information about how to safely drive in a roundabout. An Simple tips for driving a roundabout instructional video is available on rtcwashoe.com or at any Washoe County library. 1 Slow down To learn more visit rtcwashoe.com and click the 5 Watch for pedestrians Streets and Highways tab for information on Roundabouts. To obtain additional copies of as you approach the 2 this brochure or the instructional video, e-mail roundabout Michael Moreno, RTC Community Relations at Look to your left when [email protected] or call 775-335-1869. -
130514-CITY COUNCIL MEETING Revised Package.Indd
COLORADO ESPLANADE | CITY COUNCIL INFORMATION PACKAGE PWP LANDSCAPE ARCHITECTURE 739 ALLSTON WAY BERKELEY, CALIFORNIA 94710 MAY 14, 2013 COLORADO ESPLANADE The Colorado Esplanade has been designed as a gateway to the heart of Santa Monica LANDSCAPE ARCHITECTURE and its major destinations. The Esplanade 739 ALLSTON WAY BERKELEY, CA 94710 THE SITE PLAN COORDINATES AND INCLUDES: will connect the new EXPO Station to points • A HIGHLY VISIBLE AND ICONIC INTEGRATED DESIGN OF UNIQUE ELEMENTS. North, South, East, and West, and will create • ONE-WAY VEHICULAR TRAFFIC FROM 4TH STREET TO OCEAN AVENUE. a landmark identity for the city that will be • A WIDE PEDESTRIAN ZONE. seen by pedestrians, cyclists, drivers, and bus • INTEGRATED WAY FINDING. and light rail riders that approach it on city • ENHANCED, BALANCED, AND ACCESSIBLE MOVEMENT ROUTES FOR ALL MODES. streets, as well as from the freeway. SANTA MONICA PLACE CITY OF SANTA MONICA OF SANTA CITY COLORADO ESPLANADE 2ND STREET PALISADES PARK PALISADES BANK OF PASEO DEL MAR 101 COLORADO PARKING STRUCTURE 8 BLOOMINGDALE’S THE WEST MIDAS AVENUE COLORADO AVENUE HOLIDAY INN GATEWAY TRIANGLE EXPO STATION PACIFIC COAST HIGHWAY SEARS -BY OTHERS POTENTIAL TOD SITE OCEAN AVENUE 4TH STREET PALISADES GARDEN MAIN STREET WALK OVERALL SITE PLAN OVERALL 5TH STREET 2 CITY HALL LANDSCAPE ARCHITECTURE BERKELEY, CA 94710 CITY OF SANTA MONICA OF SANTA CITY COLORADO ESPLANADE LOOKING WEST DOWN THE ESPLANADE DOWN LOOKING WEST VIEW LOOKING WEST FROM EXPO STATION 3 FRAMING THE VIEW LANDSCAPE ARCHITECTURE Preserving the view to the Pier Sign BERKELEY, CA 94710 was a desire of all the constituents. As a new multi-model corridor, we thought it important that all modes of movement be able to participate in the view corridor to the Pier Sign. -
Denver NRHP and Landmarked Historic
City and County of Denver National Register and Landmarked Parkways and Boulevards City Park Esplanade (East Colfax Avenue to East 17th Avenue) Clermont Street Parkway (East 3rd Avenue to East 6th Avenue) Country Club Parkways (including Williams, Franklin, Gilpin, High Streets) Downing Street Parkway (East 3rd Avenue to East Bayaud Avenue) Forest Street Parkway ( East 17th Avenue to Montview Boulevard) South Marion Street Parkway (East Bayaud Avenue to East Virginia Avenue} Monaco Street Parkway (East 1st Avenue to Montview Boulevard) Montview Boulevard (Colorado Boulevard to Monaco Street Parkway) Park Avenue Parkway Richthofen Place Parkway (Monaco Street Parkway to Oneida Street) Speer Boulevard (Irving Street to Downing Street; including the Speer Blvd Triangles, at Li nco1 n, Cherokee Delaware, Elati, Fox, Galapago, and Inca.) University Boulevard (I-25 to 6th Avenue) Williams Street (East 8th Avenue to East 4th Avenue) East Alameda Parkway (Steele St. to Quebec St.) East 1st Avenue (Downing Street to University Boulevard) East 3rd Avenue East 4th Avenue (Williams Street to Gilpin Street) East 6th Avenue Parkway (Colorado Boulevard to Quebec Street) - East 7th Avenue Parkway (Williams Street to Colorado Boulevard) East 17th Avenue Parkway (Colorado Blvd to Monaco Street Parkway) West 46th Avenue (Grove Street to Stuart Street City and County of Denver National Register and Landmarked Parks Alamo Placita Park (formerly part of Arlington Park) Berkeley Lake Park Cheesman Park Cheesman Park Esplanade City Park and City Park Golf Civic Center (including the Capitol grounds, the Pioneer Monument, and West 14th Avenue Parkway) Congress Park Cranmer Park (formally Mountain View Park) Highland Park Hungarian Freedom Park (formerly part of Arlington Park) Inspiration Point Kittredge Park Mestizo Curtis Park Montclair Park Quality Hill Park Richthofen Monument Rocky Mountain Lake Park Sunken Gardens Park Washington Park . -
Additional Agenda of Sutherland Traffic and Traffic Safety Committee
Additional Reports Sutherland Traffic and Traffic Safety Committee Meeting Friday, 2 October 2020 9.30am Meeting to be held Remotely Sutherland Traffic and Traffic Safety Committee 2 October 2020 ADDITIONAL REPORTS 4. REPORTS FROM OFFICERS – SUTHERLAND TRAFFIC AND TRAFFIC SAFETY COMMITTEE STR062-20 Belgrave Esplanade at the Intersections of Ramu Close, Goulburn Peninsula, Roper Crescent, Roper Crescent/Bellinger Place, Paroo Avenue and Hawkesbury Esplanade, Sylvania Waters - Queuing Across Intersections (pg 3) 5. ADDITIONAL MATTERS RAISED AT MEETING Page 2 Sutherland Traffic and Traffic Safety Committee 2 October 2020 20 STR062-20 BELGRAVE ESPLANADE AT THE INTERSECTIONS OF RAMU CLOSE, - GOULBURN PENINSULA, ROPER CRESCENT, ROPER CRESCENT/BELLINGER PLACE, PAROO AVENUE AND HAWKESBURY ESPLANADE, SYLVANIA WATERS - QUEUING STR062 ACROSS INTERSECTIONS Attachments: Appendix A⇩ and Appendix B⇩ EXECUTIVE SUMMARY This report supersedes report STR056-20. Council has received ongoing concerns regarding: o vehicles queuing in Belgrave Esplanade, on approach to the traffic lights at Box Road and Port Hacking Road; and o the design of the roundabout at the intersection of Belgrave Esplanade and Murrumbidgee Avenue. Suggestions to assist the situation include: o reverting the intersection of Box Road and Port Hacking Road to left-in/left-out manoeuvres; o installing roundabouts, ‘KEEP CLEAR’ linemarking or ‘DO NOT QUEUE ACROSS INTERSECTION’ signs in Belgrave Esplanade, at the intersections of Ramu Close, Goulburn Peninsula, Roper Crescent, Roper Crescent/Bellinger Place, Paroo Avenue and Hawkesbury Esplanade; and o modifying the roundabout at the intersection of Belgrave Esplanade and Murrumbidgee Avenue. As part of the Bus Priority Improvement Program, Transport for NSW will be modifying the intersection of Box Road and Port Hacking Road, to allow two through travel lanes in Box Road westbound approach.