Inspectors Report 2 (HA0/RHA0042A
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An Bord Pleanála Ref.: PL16.HA0042/KA0028 An Bord Pleanála Inspector’s Report on Traffic, Travel, Road Design and other matters Site Address: On a linear alignment from east to west running from Turlough, east of Castlebar, passing to the south of Castlebar, crossing the existing N5 east of Islandeady, running north and roughly parallel to the existing N5, and passing to the north of Westport. All in County Mayo. Proposal: New-build dual carriageway (type 2), with associated junctions, tie-ins, and ancillary works. Application LA/Applicant: Mayo County Council (lead authority), Westport Town Council, Castlebar Town Council. PA Reg. Ref.: Not applicable – Direct application. Type of Application: Local Authority Road Development – EIS and CPO Observers: As set out in Section 6.0 and Appendix 2 below Date of Site Inspections: 11 th /12 th December 2013, 13 th /18 th /20 th January 2014 Report Brief: As directed by presiding inspector, Mr O’Sullivan, and as set out in section 1.3 below. Inspector: G. Ryan PL16.HA0042/ KA0028 An Bord Pleanála Page 1 of 145 Table of Contents 1.0 INTRODUCTION....................................................................................7 1.1 Proposal ...........................................................................................7 1.2 Case Type.........................................................................................7 1.3 Report Brief......................................................................................7 1.4 Report Structure and Approach .....................................................8 2.0 SITE .......................................................................................................9 2.1 Existing N5 Road and Corridor.......................................................9 2.2 Lands Along Proposed Corridor ..................................................10 2.3 Surrounding National and Regional Road Network....................10 2.4 Existing Roads at Proposed Tie-In and Crossing Points...........11 2.4.2 Newport Road – N59 – Chainage 2+000 .....................................11 2.4.4 Attireesh Road West – Chainage 2+050......................................11 2.4.7 Attireesh Road North – Chainage 2+050 to 3+000 ......................12 2.4.9 Attireesh Road East – Chainage 3+000.......................................12 2.4.11 Carrowbeg Road – Chainage 3+000............................................12 2.4.14 Lodge Road (L-1805) – Chainage 3+800.....................................12 2.4.16 Islandeady Road (L-1811) – Chainage 17+100 ...........................13 2.4.18 Annagh Road (L17107) – Chainage 19+550 ...............................13 2.4.20 Existing N5 at Derrylea – Chainage 20+310 ................................13 2.4.22 N84 – Chainage 33+600 ..............................................................13 2.4.24 Belcarra Road (L1707) – Chainage 34+3850 ..............................13 2.4.26 Breaffy Road (N60) – Chainage 37+100......................................13 2.4.29 Existing N5 at Liscromwell – Chainage 40+000...........................14 2.4.31 Windsor Road (L-5785) – Chainage 40+500 ...............................14 2.4.33 Clogher Road (L-5784) – Chainage 42+050 ................................14 2.4.35 Gortnafolla Road (L5779) – Chainage 43+700 ............................14 2.4.37 Other minor roads ........................................................................14 2.5 Existing Trails Infrastructure in the Vicinity................................16 2.5.3 Great Western Greenway ............................................................16 2.5.8 Westport Greenway .....................................................................17 2.5.11 Western way ................................................................................17 2.5.15 National Coastal Trail...................................................................18 2.5.17 Westport radial routes ..................................................................18 2.5.19 Castlebar N5 routes .....................................................................18 2.5.23 Castlebar to Islandeady Greenway (proposed)............................19 2.5.27 Castlebar to Turlough Greenway (under construction).................19 2.5.30 Islandeady to Westport cycle route (proposed)............................19 2.5.33 Westport-Castlebar Rail Line Greenway (proposed)....................19 2.6 Current Traffic and Travel Patterns..............................................20 2.6.2 Vehicular travel patterns ..............................................................20 2.6.6 Public transport, cycling, and walking ..........................................20 3.0 PROPOSAL – FROM EIS AND ORAL HEARING ..............................21 3.4 Scheme as Proposed ....................................................................22 3.4.3 Alignment .....................................................................................24 3.4.8 Ancillary Roads, Structures, and works........................................25 PL16.HA0042/ KA0028 An Bord Pleanála Page 2 of 145 3.5 Project Timeline and Previous Reports .......................................27 3.5.1 Constraints study report...............................................................27 3.5.3 Route selection Study ..................................................................27 3.5.5 Design report ...............................................................................28 3.5.9 Link with N26 scheme..................................................................28 3.6 Policy-Based Rationale .................................................................29 3.7 Need for the Scheme .....................................................................29 3.7.3 Economy......................................................................................30 3.7.9 Safety...........................................................................................31 3.7.12 Environment.................................................................................31 3.7.14 Accessibiliy and Social Inclusion..................................................31 3.7.16 Integration ....................................................................................31 3.8 Alternative Routes Considered ....................................................32 3.8.8 Online option................................................................................33 3.9 Proposed Carriageway Type and Justification ...........................33 3.9.6 Incremental Analysis and Cost Benefit Analysis ..........................34 3.10 Proposed Junction Type and Justification .................................36 3.10.1 Route Section A – Junction Strategy............................................36 3.10.5 Route Sections B, C, D – Junction Strategy.................................37 3.11 Proposed Provision for Cyclists And Pedestrians .....................39 3.11.1 Pedestrian/cyclist provision within the scheme (mainline)............39 3.11.9 Interaction with existing pedestrian/cyclist routes at Westport (Section A) ...................................................................................41 3.11.24 Interaction with existing pedestrian/cyclist routes elsewhere (Sections, B, C, D) .......................................................................43 3.12 Traffic Modelling and Analysis.....................................................43 3.12.1 Surveys ........................................................................................43 3.12.8 Model construction.......................................................................45 3.12.14 Model outputs and analysis........................................................46 3.12.25 Modelling issues specific to the proposed N5/N60 junction........47 3.12.27 Move to ‘new’ NRA traffic forecasts............................................49 3.12.31 Comparative analysis with other road schemes .........................49 3.12.34 Comparative analysis with other sections of the N4/N5 .............52 4.0 HISTORY .............................................................................................53 4.1 Previous Roads Schemes on This Alignment.............................53 4.1.3 N5 Westport-Castlebar (2000-2003) ............................................53 4.1.7 N5 Ballyvary – Bohola (2003) ......................................................53 4.1.10 Castlebar Ring Road (2004-2007) ...............................................53 4.1.14 N5/N59 North Westport Relief Road (2004-2007)........................54 4.1.16 N5 Westport to Bohola (2008-2010) ............................................54 4.2 Other Relevant National Roads Schemes in Mayo .....................54 4.2.1 N26 Ballina to Bohola - PL16.HA0003 (2010)..............................54 4.2.4 Turlough to Bohola scheme .........................................................55 4.2.6 N59 Westport-Mulranny (PL16.JP0001/PL16.CH3163)...............55 4.2.11 N60 Balla to Claremorris Road Realignment (PL16.JP0025 /PL16.CH3209) ............................................................................56 4.3 Previous Relevant T2dc Cases Elsewhere in the Country.........56 4.3.2 PL08.HA0016 – Tralee bypass, Co. Kerry ...................................57 4.3.5 PL08.CH2235 – Castleisland Bypass, Co. Kerry .........................57 PL16.HA0042/ KA0028 An Bord Pleanála Page 3 of 145 4.4 Relevant Major Non-Road Schemes ............................................57 4.4.1 Allergan expansion – PA Ref.