SNT 2.05.02-2001 PDF

Full title and description

SNT 2.05.02-2001 — "Automobile roads. Design standards". A national/regional technical standard that provides requirements and recommended practices for the planning and engineering design of automobile (motor) roads, including geometric design, pavement structure, drainage, and associated safety measures.

Abstract

This document specifies design norms for newly constructed and reconstructed automobile roads. It covers primary engineering decisions used in road design: classification and functional assignment of roads, geometric layout (alignment, cross-sections, gradients and curves), pavement structure and material recommendations, drainage and slope stability, traffic capacity and service life considerations, and basic safety requirements (sight distances, roadside elements, signing). The standard is intended to ensure safe, durable and economically justified road design solutions in accordance with national practice.

General information

• Status: Listed in commercial/national document repositories as active (catalogued as SNT 2.05.02-2001).
• Publication date: 2001 (edition/year indicated by the -2001 suffix).
• Publisher: National standards or transport/road authority (published and redistributed through national standards repositories and commercial standards libraries). (Exact official publisher varies by country/registry.)
• ICS / categories: Road and airfield engineering — road design (commonly classified under ICS 93.x road engineering categories, e.g. 93.080 range).
• Edition / version: Edition year 2001 (SNT 2.05.02-2001).
• Number of pages: Approximately 47 pages (electronic/pdf formats reported by document suppliers).

Scope

The standard applies to the engineering design of automobile roads (new construction and reconstruction) and to associated roadside elements. Typical scope items include classification of roads and their functional categories, horizontal and vertical alignment design, cross-section and lane layouts, pavement design principles and layer structure, drainage systems and erosion control, requirements for bridges and culverts where applicable, considerations for traffic capacity and projected service life, and basic safety/visibility criteria. It is intended for use where national/regional SNT rules are the governing design documents or as a reference where national codes refer to SNT-type norms.

Key topics and requirements

• Road classification and functional requirements (categories, service levels).
• Geometric design: horizontal alignment, vertical profile, minimum radii, superelevation and transition curves.
• Cross-section design: lane widths, shoulders, medians, clear zones and roadside elements.
• Pavement structural design: layer composition, material selection, traffic loading and service-life considerations.
• Drainage and subgrade protection: longitudinal and transverse drainage, culverts and erosion control.
• Bridges, culverts and structures interface: basic coordination of road and structure design.
• Traffic capacity, level of service and forecasting assumptions used in geometric and pavement design.
• Safety requirements: sight distances, signage, delineation, and roadside safety features.

Typical use and users

Used by highway and transport authorities, road design and consulting engineers, infrastructure planners, contracting organizations executing design and construction, and regulatory bodies reviewing road design documentation. It serves as a primary design reference where SNT-series rules apply or as a complementary reference to national standards and technical codes in the road sector.

Related standards

Related and successor national/regional documents include earlier and later SNIP/SN and SP codes addressing "Automobile roads" (for example SNIP/SN series such as СНиП 2.05.02 and national consolidated codes like SP / SN rules adopted later). Contemporary national standards for materials and pavement design (GOST/GOST‑R and other inter‑state standards) are typically used alongside SNT 2.05.02-2001. Users frequently cross-reference SNIP 2.05.02 (earlier Soviet/Russian road rules) and later consolidated rules such as national SP documents.

Keywords

automobile roads; road design; pavement design; geometric alignment; drainage; traffic capacity; road safety; SNT 2.05.02; highway engineering; road standards.

FAQ

Q: What is this standard?

A: SNT 2.05.02-2001 is a technical standard that sets design norms and recommendations for automobile (motor) roads — covering geometric design, pavement structure, drainage, and related safety and capacity considerations.

Q: What does it cover?

A: It covers classification of roads, alignment and profile design, cross-sections, pavement layer composition and materials, drainage, basic bridge/culvert coordination, traffic capacity assumptions, and minimum safety and visibility criteria used during the design process.

Q: Who typically uses it?

A: Road designers, highway/transport authorities, engineering consultants, contractors and regulators involved in the planning, design, review and construction of automobile roads in jurisdictions where SNT-type standards are in force or accepted as authoritative references.

Q: Is it current or superseded?

A: Commercial catalogues list SNT 2.05.02-2001 as an edition (catalogued and available), but in many jurisdictions earlier SNIP/SNT-style rules have been revised or replaced by more recent consolidated national technical codes and SP (or GOST-based) documents. Users should verify the current legally binding design code for their country/region before applying this standard in a regulatory context.

Q: Is it part of a series?

A: Yes — SNT 2.05.02-2001 belongs to a family of road and construction standards (SNT/SN/SNiP/SP/GOST families) addressing various aspects of highway engineering, materials and construction rules; it is commonly used together with material standards and other road‑related national/regional documents.

Q: What are the key keywords?

A: Automobile roads; road design; pavement; geometric alignment; drainage; traffic capacity; road safety; standards; SNT 2.05.02-2001.