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Hemus Motorway Road Safety Audit, Bulgaria

National Company Strategic Infrastructure Projects (NCSIP) is a beneficiary under priority axis II and V of the Operational Programme ‘Transport’ 2007-2013 (OPT), initiated by the Monitoring Committee of the Programme (December 2011).

Visualisation of the road route


OPT will advance rail, road and water infrastructure while stimulating development of combined transport modes in accordance with EU transport policy and Trans-European transport network requirements. The overall aim is to achieve a strong, sustainable transport system in Bulgaria.

The Hemus motorway project is financed under OPT 2007-2013 by the Cohesion Fund as per contract: BG161PO004-2.0.01-0018/07.2013. With a length of 426km, the development will serve as a key part of the European road network and as a lateral connection with Corridor IV and Corridor IX.

Hemus motorway will traverse the northwest corner of Bulgaria with the northern coast line on the Black Sea (Hemus). Two of its sections, spanning 170km in total, are now under operation – one between the western end of Sofia and the town of Yablanitsa (Lovech region) and the other in the eastern end between Belokopitovo village (Shumen region) and the town of Varna. The remaining 256km section, now under design, will link Yablanica with Belokopitovo.

The consultancy service contract (dated 21.08.2015) between Mott MacDonald and the National Company for Strategic Infrastructure Projects/NKSIP is ‘Road Safety Audit of the Concept Design for Completion of AM Hemus - Phase I’. The project spans a total length of 60km.

Stage I comprises these two sections:

  • Section 1 from Hemus motorway (Yablanica) to Route III-307 covering 24km
  • Section 2 from the Road III-307 to Route II-35 covering 36km

The Road Safety Audit Report has been prepared in accordance with Directive 2008/96 / EC of the European Parliament and of the Council dated 19.11.2008 and Regulation RD-02-20-14 of 29.09.2011 of the MRDPW.

The audits to be performed on conceptual design examine potential problems related to:

  • Topographical characteristics – seismic susceptibility, landslides, floods, snow-slips, precipitation, prevailing weather conditions
  • Function of the road on the road network
  • Types of traffic allowed on the new road facility
  • Points of traffic origin and destination
  • Overall effect on the area road network
  • Road/rail crossings
  • Type of intersections and distance between these
  • Cross-section parameters, number and type of road lanes
  • Stage-construction effect
  • Verification of a worst case scenarios between design parameters of the layout and the longitudinal profile.
  • Visibility
  • Road junctions parameters
  • Bridge structures and tunnels
  • Traffic management in and out of the tunnels (signalling, lighting, equipment)
  • Vulnerable road users (pedestrians, cyclists, motorcyclists and others)
  • Road accessories (restraint systems, horizontal and vertical signalling)

All activities undertaken will be in accordance with local norms and regulations and in compliance with the ‘TEM Standards and recommended Practice, 3rd. Edition, Feb 2002, TEM Project Central Office и Sustainable Safe road design a practical manual procedures for the World Bank’.
The RSA report for each section analyses:

  • Identified potential problems in terms of road safety.
  • Possible causes of indicated issues.
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