Denbighshire Speed Limit Review Summary of Changes and Associated Costs

Estimated Road Indicative Route Section of Route Change Extents/ Location Measures Required Notes Length Costs (km) This incorporates a short section of the A494, running from Speed limit along A494 between the A5 and A5104 requires consultation with the North and Mid- Repeater signs, road markings, 5 x type 3 gateways. Plus 1 A494 / A5104 A494 / A5104 between A5 and Bryneglwys NSL to 50mph the traffic signal junction at the A5 to the proposed 40mph 9.40 £23,100 Wales Trunk Road Agency. Locations for terminal signage subject to site assessment. This allowance for 10 x side road speed limit terminal signs. speed limit at Brynglwys detailed below. assumes all proposed speed limits along the A5104 will be advertised within one TRO.

East of the junction with Min Y Rhos to the east of the Repeater signs, road markings, 2 x type 3 gateways. Plus Erect sign to the west in advance of existing bends ahead and junction warning signs. This 2 A5104 A5104, Bryneglwys NSL to 40mph 0.67 £6,050 junction at Ty tan derw allowance for 3 x side road speed limit terminal signs. assumes all proposed speed limits along the A5104 will be advertised within one TRO.

From the proposed 40mph speed limit at Bryeglwys Repeater signs, road markings, 2 x type 3 gateways. Plus Locations for terminal signage subject to site assessment. This assumes all proposed speed 3 A5104 A5104 between Bryneglwys and Llandegla NSL to 50mph detailed above to the proposed 40mph speed limit detailed 6.23 £14,630 allowance for 7 x side road speed limit terminal signs. limits along the A5104 will be advertised within one TRO. below. From the entrance into Llandegla to the south of Llyn Rhys Locations for terminal signage subject to site assessment. This assumes all proposed speed 4 A5104 A5104 Llandegla NSL to 40mph Campsite to the existing 30mph speed limit immediately to 0.36 Repeater signs, road markings, 2 x type 3 gateways. £3,960 limits along the A5104 will be advertised within one TRO. the north of the A525.

A5104 between Llandegla and the boundary From the existing 30mph speed limit through Llandegla to Repeater signs, road markings, 2 x type 3 gateways. Plus Locations for terminal signage subject to site assessment. This assumes all proposed speed 5 A5104 NSL to 50mph 4.72 £10,340 with Flintshire at B5430 the boundary with Flintshire to the west of the B5430. allowance for 2 x side road speed limit terminal signs. limits along the A5104 will be advertised within one TRO.

From existing 30mph limit at Highlands Rd up to and 6 A547 A547, Approach to A525 roundabout NSL to 40mph 0.47 Repeater signs, road markings, 1 x type 3 gateway £13,970 Proposal to include roundabout junction with A525. See also proposal for links A525_2 including roundabout junction with A525 From property to the north of the school to a new 30mph Repeater signs, road markings, 1 x type 2 gateway and 1 x type 7 A543 A543, Outside St Brigids School NSL to 40mph 0.55 £16,445 Entry to roundabout junction with A525 to be further reduced to 30mph. limit prior to the roundabout junction with the A525. 3 gateway 8 A5151 A5151, Ffordd Newydd Road New 40/30 Gateway From existing 30/ NSL to ADS/ cemetery parking. N/A Type 3 gateway signing. £7,095 Relocate prior to existing ADS and parking to cemetery.

9 A5151 A5151, Ffordd Newydd Road NSL to 40mph East of Dyserth Road to new 30mph gateway above. 0.50 New buffer to existing 30mph limit as highlighted above. inc in 4. Commence new 40mph on bend prior to junction with Dyserth Road. Commence new 30mph gateway prior to Dyserth village entry sign and buses turning warning 10 A5151 A5151, Dyserth Village NSL to 30mph East of Dyserth Entry sign 0.23 New road markings and type 1 gateway. £7,755 signs. Repeater signs, road markings, 2 x type 2 gateways, advisory Commence prior to Britannia Inn to the south and extend north as far as minor side road (see 11 A542 A542, Horseshoe Pass NSL to 40mph Britannia Inn to the south of the A525/ A5104 junction. 6.84 £19,030 speed limit signs and chevron boards. plan). Some additional warning signs may be necessary around the Ponderosa Café. A525, S/B approach to A547 Roundabout NSL to 30mph From existing 30mph limit to the south of Rhyl. 0.37 New road markings and type 3 gateway or relocate existing? 12 A525 A525, N/B approach to A547 Roundabout NSL to 40mph Upon entry to A547 roundabout. N/A New type 2 gateway inc in 2. See also link A547_4 A525, A547 Roundabout NSL to 40mph Through the A525/ A547 roundabout. N/A New type 2 gateway From 40mph limit to the south of the A547/ A525 junction to 13 A525 A525, St Asaph Road NSL to 50mph 2.16 Repeater signs, road markings, 2 x type 2 gateways £12,320 New 40/50 gateways to remain in same location as existing 40/NSL gateways. the 40mph limit further south.

14 A525 A525, S/B approach to A543 Roundabout NSL to 30mph Approx. 50m from roundabout N/A Road markings and new type 1 gateway signing. inc in 3. See also proposals for Link A525_15b & 543_3.

15 A525 A525, N/B approach to A543 Roundabout NSL to 30mph Approx. 50m from roundabout N/A Road markings and new type 1 gateway signing. inc in 3. See also proposals for Link A525_15a & 543_3. New 40mph limit acting as a buffer prior to entry to Llanrhraeadr village. Section includes 16 A525 A525, S/B approach to Llanrhraeadr NSL to 40mph New 40mph buffer starting to the north of Llanrhaeadr Hall. 0.40 Repeater signs, road markings, 1 x type 2 gateway £8,195 accesses, side roads and school children warning signs. 17 A525 A525, Llanrhraeadr 40 to 30mph Extents of existing 40mph limit within Llanrhraeadr 0.57 2 x type 3 gateways. inc in 12. Allow for re-application of existing red texture flex patches.

18 A525 A525, Llanfair Dyffyrn Clwyd NSL to 30mph Extend existing 30mph limit further north. 0.07 Road markings and new type 1 gateway signing. £7,755 Existing rumble/ SLOW markings present - relocate in advance on new 30/ NSL gateway? A525, S/B approach to Nant Y Garth NSL to 40mph Prior to Llysfasi College entrance to Nant Y Garth 0.28 Repeater signs, road markings, 1 x type 2 gateway 19 A525 A525, Nant Y Garth 40 to 30mph Nant Y Garth 3.59 Road markings and 2 x type 3 gateway. £11,110 Additional measures required on new 30mph section to Nant Y Garth? A525, W/B approach to Nant Y Garth NSL to 40mph W/B approach to Nant Y Garth 0.41 Repeater signs, road markings, 1 x type 2 gateway A525 between The Plough Inn public house and the Crown Repeater signs, road markings, 2 x type 3 gateways. Plus 20 A525 A525 on the approaches to the A5104 NSL to 40mph 1.38 £7,920 Locations for terminal signage subject to site assessment. Bridge over the river Alyn allowance for 2 x side road speed limit terminal signs.

£169,675 Cost estimates of measures Repeater sign on 76mm dia pole - £200 New lit speed limit sign on 76mm dia pole - £500 New lit speed limit sign on yellow backing board on 76mm dia post- £1000 New speed roundel - £250 (assumed 7.5m length) Red texture flex - £35/ sqm Dragons teeth markings (approx. £35/m - say 30m) - £1,000 Removal of existing signs - inc in contractor day rate Assumptions Removal of speed roundels - inc in contractor day rate Repeater signs every 350m Replacement of centreline markings - inc in contractor day rate Gateway Type 3 typical cost - £1000 (signs both sides of road) £1750 on dual carriageway Road studs - £20/ each Gateway Type 2 typical cost - £2250 (2 signs with 7.5 x 1.5 roundel, 10 x 2.5 red box) £3000 on dual carriageway Refuge Island - £5,000 Gateway Type 1 typical cost - £4250 (as above with dragons teeth @ £1,000 & signs @ £1,000 each) £5000 on dual carriageway Advisory speed limit sign to diagram 513.2 and bend ahead warning sign to 512 on 76mm dia pole - £500 Road marking contractor - £1,300 per site TRO costs - £1,500 per site Other costs Traffic Management costs - assume 10% of total cost Road marking contractor - typical day rate - £1,000 30% mark up for weekend - £1,300 Notes 20% mark up for night time - £1,200 Road marking contractor costs should be much less as more than one site should be completed in a single visit. TRO schedule (advetisement etc) - £1,500 Additional measures have been excluded in the above costs.

rev 4 (June 2014) Denbighshire Speed Limit Review Summary of Changes and Associated Costs

Estimated Road Route Section of Route Change Extents/ Location Measures Required Indicative Costs Notes Length (km) Between existing 30mph limits east of the business park 1 B5381 B5381, Glascoed Road NSL to 40mph 0.73 Repeater signs, road markings, 2 x type 2 gateways £8,910 Possibly scope to extend existing 30mph limits to links B5381_2 and B5381_4 roundabout. Should the new NSL/ 40mph gateway be placed prior to the White House Country Lodge Park? 2 B5429 B5429, Rhuallt Village NSL to 40mph Extend existing limit further west to cover housing. 0.20 Repeater signs, road markings, 1 x type 2 gateway £5,555 Re-use existing signs? From existing 30mph limits to Aberwheeler Village to the Remove existing NSL/ 40mph gateway. New repeater signs 3 B5429 B5429, Aberwheeler Village NSL to 40mph 0.39 £4,620 existing 40mph limit at the A541 junction. and road markings. New type 3 gateway at Aberwheeler. From existing 30mph limit north of Llandyrnog to Repeater signs, road markings, 3 x type 2 gateways & 1 x type Include roundabout to the north of the creamery as part of speed reduction from NSL to 4 B5429 B5429, North of Llandyrnog NSL to 40mph 0.53 £12,045 roundabout north of creamery. 3 gateway. 40mph. Extend existing limit at Pentre Celyn further south to cover 5 B5429 B5429, Pentre Celyn NSL to 30mph 0.40 New road markings and a type 1 gateway. £7,755 Unable to locate extents of existing 30mph limit to Pentre Celyn. the primary school. Extend existing limit at Llanmarnon yn-lal village further 6 B5431 B5429, Llanmarnon yn-lal Village NSL to 30mph 0.13 New road markings and a type 1 gateway. £7,755 south to cover housing.

£46,640 Cost estimates of measures Repeater sign on 76mm dia pole - £200 New lit speed limit sign on 76mm dia pole - £500 New lit speed limit sign on yellow backing board on 76mm dia post- £1000 New speed roundel - £250 (assumed 7.5m length) Red texture flex - £35/ sqm Dragons teeth markings (approx. £35/m - say 30m) - £1,000 Removal of existing signs - inc in contractor day rate Removal of speed roundels - inc in contractor day rate Replacement of centreline markings - inc in contractor day rate Road studs - £20/ each Refuge Island - £5,000

Other costs Road marking contractor - typical day rate - £1,000 30% mark up for weekend - £1,300 20% mark up for night time - £1,200 TRO schedule (advetisement etc) - £1,500

Assumptions Repeater signs every 350m Gateway Type 3 typical cost - £1000 (signs both sides of road) Gateway Type 2 typical cost - £2250 (2 signs with 7.5 x 1.5 roundel, 10 x 2.5 red box) Gateway Type 1 typical cost - £4250 (as above with dragons teeth @ £1,000 & signs @ £1,000 each) Road marking contractor - £1,300 per site TRO costs - £1,500 per site Traffic Management costs - assume 10% of total cost

Notes Road marking contractor costs should be much less as more than one site should be completed in a single visit. Additional measures have been excluded in the above costs.

rev 4 (June 2014)