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Transportation Planning

Transportation Planning. George Willlooughby , Senior Executive Engineer Roads, Transportation & Public Safety Department 19 th May 2015. Transportation. Design Guidance DMURS NTA Funding Road Schemes Typical Information Additional Information Requests. Design Guidance. NRA DMRB

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Transportation Planning

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  1. Transportation Planning George Willlooughby, Senior Executive Engineer Roads, Transportation & Public Safety Department 19th May 2015

  2. Transportation • Design Guidance • DMURS • NTA Funding • Road Schemes • Typical Information • Additional Information Requests

  3. Design Guidance • NRA DMRB • Road link & junction design • Sightlines • TD 41-42 revised in 2011 – Now includes design standards for local and regional roads • Traffic Management Guidelines • Junction design, VRU facilities, traffic calming • NTA National Cycle Manual • Cycle facilities • DMURS • Design Manual for Urban Roads and Streets • Published 2013 • Replaces DMRB in urban areas

  4. DMURS 4 • Design Manual for Urban Roads & Streets • Jointly Published by DTTAS & DoECLG in March 2013 • For use in urban areas – cities, towns & villages • Applies to ALL roads & streets in urban areas except: • Motorways • In exceptional circumstances, certain roads & streets with the written consent of a sanctioning body (NRA, NTA, DTTAS) • Use of the Manual is mandatory, and it supercedes the DMRB in urban areas • Purpose • Fill a policy gap • Emphasis in road design standards on catering for vehicular traffic • DMRB has been used as a default standard • Provide practical design measures to implement Government Policy e.g. • Smarter Travel (2009) • Sustainable Residential Development in Urban Areas (2009) • Draft Planning Guidelines: Local Area Plans (2012)

  5. DMURS Need for DMURS Car dependence is now built-in to urban areas as the norm Application of DMRB - prioritisation of vehicular traffic over other modes 5 • Proliferation of ‘Distributor’ type roads: • Almost ‘free-flow’ conditions • Wide, open roads • No active frontage • Accesses minimised • No parking • Creates a hostile environment for VRU’s: • Promotes faster, inappropriate speeds • Severs communities • Reduces access to public transport • Lack of surveillance • Inhospitable crossing facilities

  6. DMURS 6 • DMURS Network • Connected Streets • Traffic Calmed Streets • Smaller Junctions • Conventional Network • Dead ends • Higher Speed & Volume External Roads • Larger Junctions • What DMURS Promotes: • A balanced approach to street design • Recognise that roads/streets have many functions, and balance function and context • Better Connected Communities

  7. DMURS 7 • Self-Regulating & Liveable Streets: • Speed based on a visual/psychological interpretation of the street • Regulation plays a secondary role • Place Making & Attractive Streets • Example of a street in Youghal, Before & after

  8. DMURS 8 • Application of DMURS • Promotes a multidisciplinary approach to street design • Offers guidance for all stages of development, from plan preparation to detailed design • Contains a range of measures & guidance for Architects, Engineers, Planners, Landscape Architects etc. • Manual includes a range of ‘hard’ & ‘soft’ measures to create self-regulating streets, including: • Building heights & street widths • Hard & soft landscaping • Active street edges • Signage & road markings • Street furniture • Materials & finishes • Reduced horizontal & vertical alignment standards • Reduced stopping sight distances & visibility envelopes • Reduced corner radii & junction geometry

  9. NTA Funded Schemes • NTA Sustainable Transport Measures Grants (STMG) • Annual funding to improve VRU facilities and to encourage use of sustainable travel modes. • Wide range of schemes completed including: • Swans Junction (Naas) • Johnstown roundabout upgrade • Captains Hill junction upgrade (Leixlip) • Fortbarrington Road junction (Athy) • Various footpath improvement schemes (e.g. Rathangan, Ardclough, Prosperous, Athy, Caragh, Athgarvan, Castledermot) • Approx. 1.4 million secured for 2015, examples of schemes include: • Bus Hub Main Street Naas (Part 8 approved, to go to construction) • Dublin Road Naas (Part 8) • Maynooth North South Corridor(Part 8) • GDA Cycle Network 3 schemes, newbridge rd to sallins, kill to maudlins, kilcullen rd to naas (design and Part 8)

  10. Road Schemes • R407 Enfield – Edenderry: Construction completed including Kilshanroe and Johnstownbridge works. • Sallins Road roundabout improvement works. • Construction due to start in Q3 2015. • Athy Southern Distributor Road: • Route selection & preliminary design to be completed • Preparation of CPO documents & detailed design • Dunmurray Link Road: • Design substantially completed. • Construction due to start in Q3 2015. • Newbridge Link Road: • Design to be completed • Engagement with adjacent developers ongoing

  11. Submission Information • Pre-Planning: • Location map • Preliminary Site Layout, if available • Access Proposals • Preliminary estimate of likely trip generation & car parking demand • Application: • Detailed site layout & access proposals • Full details of sight lines (DMRB or DMURS as appropriate) • Estimate of number & type of traffic movement • Traffic & Transportation Assessment (Consult with Transportation Dept. at Pre-Planning to determine scope) • Road Safety Audit Stage 1, where required • Travel Plan where applicable • Mobility Plan where applicable. • Robust estimate of car parking demand & associated parking layout

  12. Common AI Requests • Sight lines: • No sight lines shown • Full extents not indicated • Boundaries unclear (Topographical survey often required – OS mapping is rarely sufficient) • Sight lines not in accordance with standards (insufficient ‘y’ distance, drawn incorrectly etc.) • Traffic & Transportation Assessment: • Insufficient count data provided – 12 hour counts required as a minimum (See NTA Specification for Traffic Counts for guidance) • Full input data not included (Counts, TRICS etc.) • Full output data not included (All software outputs to be included) • Assumptions not clearly stated, or lacking in justification • Travel Plans, Mobility Plans, Road Safety Audits or other supporting documentation required – Consult at Pre-Planning Stage to determine if needed • Car Parking: • No assessment of likely car parking demand • No comparison with Development Plan standards • Change of use applications – Comparison with existing & proposed uses

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