High-quality Dual Carriageway - HQDCs On Major Inter-Urban Routes

HQDCs On Major Inter-Urban Routes

Many of the Major Inter-Urban Routes between Dublin and other cities in Ireland were originally to be built to motorway standard but without motorway restrictions, and were to be designated as HQDCs. Roads that were to be built as HQDC include the N6/M6 Kinnegad - Athlone scheme (completed in July 2008), the M8 Mitchelstown - Cashel scheme (completed in October 2008) and the M9 Carlow bypass scheme (completed in June 2008). These roads will form part of the major inter-urban routes network. The advantage of an HQDC over a motorway in this regard is that a simpler planning permission process is used, rather than the more complex Motorway Scheme process used to create a motorway. However the problem of using the normal planning process is that in theory planning permission could be granted for a direct access for a home or business onto the HQDC; although such direct accesses are now discouraged under public policy there is no legal impediment. Motorways, by contrast, may only have accesses at junctions and service areas. HQDCs which form part of national road routes use the N (national road) prefix on signage as opposed to the M prefix used where the route or a section of it is motorway.

Most of the HQDC sections (both completed and under construction) on the major inter-urban network of roads in Ireland have recently been redesignated as motorways or have been proposed for redesignation.

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