Feb 23, 2025 · Engineer's Line References (usually known simply as ELRs) are used by Britain's national railway system to describe individual routes, for the purpose (originally) of identifying bridges accurately by one, comprehensive, national record system.

A railway geospatial reference for Network Rail lines by Engineer's Line Reference (ELR) and Line of Route (LOR).

NESA is an electronic data source with significant advantages over a hard copy publication. These include: search tools for locations, routes and keywords information can be accessed …

Oct 20, 2024 · A list of Engineer's Line References, used as unique identifiers on the GB railway network: codes beginning S

A 'converter' list mapping national railway network PRIDE/LOR codes to ELR and mileage

See detailed information for ELR WEB and Interactive Map. ⚠️ Horizontal curvature shown below is based on the digitised notional ELR centre-line, reported at 110 yard intervals.

Each line in Britain is assigned an Engineer's Line Reference (or ELR). These are used to accurately locate and manage assets, such as bridges, tunnels and level crossings. Ordinarily, ELR's consist of three letters and an optional number. The three letters relate to …

Mar 3, 2021 · An ELR is defined as a route that has continuous mileage (containing no jumps in mileage, either forward or backward) and containing no duplicated bridge / structure number or identifier: thus an ELR Code plus a mileage, in miles and …

An Engineer's Line Reference (ELR) is a three alpha, or four alpha-numeric, code used to uniquely identify a railway line on the main-line railway of Britain owned, or maintained, by Network Rail [1] but official railway records retain the ELR codes for lifted branch lines and any structures such as bridge abutments, tunnels, viaducts ...

Introduction A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Lines without codes ELR/LOR converter LUL system DLR system Irish systems Canals Mileages are given in the form miles.chains unless stated otherwise. Figures prefixed with ≈ are approximate, those in parentheses are not on this route but are given for reference.