Architectural Design Criteria (Revision A4, June 2015)

The Architectural Design Criteria (ADC) defines the criteria and parameters for the design and construction of Land Transport Facilities for the Land Transport Authority.

• Section 2 - Architectural Design Requirements (PDF, 292kB)
• Section 4 - Commuter Facilities Design Requirements and Checklist Forms (PDF, 1.4MB)
• Attachments to Section 4.3 - Bus Interchange (PDF, 956kB)

With effect from September 2023, ADC has been withdrawn and replaced by the Infrastructure Design Criteria (IDC) for all infrastructure-related criteria, except for works involving Bus Interchanges covered under Section 2, 4.1, 4.2 and 4.3 and their associated attachments.

Infrastructure Design Criteria (Revision A1, 2022)

The Infrastructure Design Criteria* (IDC) defines the criteria and parameters for design and construction of Land Transport Facilities for the Land Transport Authority. 

• Volume A: Introduction & Objectives (PDF, 241kB)
• Volume B: Rail Infrastructure
  • Part I: MRT Station Requirements (PDF, 1.8MB)
  • Part I: Annexes (PDF, 2.5MB)
• Volume C: Commuter Infrastructure
  • Commuter Infrastructure Requirements (PDF, 6.5MB)
  • Annexes (PDF, 8.6MB)
• Volume D: Bus Infrastructure
  • Refer to Architecture Design Criteria Section 2 and 4.1 – 4.3 for Bus Interchange Requirements.

*Some chapters and annexes of the IDC are not available for download. The full IDC will only be issued to parties contracted with LTA.

For feedback on the IDC, please email lta_idc@lta.gov.sg.

Civil Design Criteria (Revision A2, 2019)

The Civil Design Criteria (CDC) contains requirements for the design and detailing of all Civil Engineering Works for the Land Transport Authority.

• Civil Design Criteria (Revision A2, Sep 2019) (PDF, 6.1MB)

For feedback on the CDC, please email cdcmw_feedback@lta.gov.sg.

Standard Details of Road Elements (Revision F, 2024)

The SDRE sets standards and guidelines for common road elements such as drains, kerbs and pavements as a reference for road construction.

• The Standard Details of Road Elements (Revision F - APR 2024) (PDF, 894kB)

J-walk Guidelines

The J-walk Guidelines set the guidelines for Wayfinding Signage across the Jurong Lake District 2^nd Storey Pedestrian Network.

• J-Walk Guidelines (PDF, 1.1MB)