Further reading
Data sources
| Source | Provides |
|---|---|
| National Highways WebTRIS | Observed traffic speeds and volumes at Strategic Road Network sensor sites |
| Met Office MIDAS-Open | Observed rainfall |
| National Highways open data, via the Travel Time Reporting Tool | Road characteristics |
All three are openly published. See inputs for how each is used.
Methodological literature
Transport-system resilience
| Reference | Covers |
|---|---|
| Mattsson and Jenelius (2015) | Transport-system resilience |
| Ganin et al. (2017) | Transport-system resilience |
These are the same two works underpinning the resilience framing in performance metrics, where resilience is defined as maintaining or restoring performance under disruptive conditions.
Rainfall and driving speed
| Reference | Covers |
|---|---|
| Hranač et al. (2006) | Traffic flow under inclement weather |
| Becker, Ulbrich and Rust (2026) | The effect of rainfall on driving speed |
These establish the empirical basis the model builds on: that rainfall systematically reduces traffic speed. The GLM's contribution is estimating that effect per link rather than in general.
Outstanding items
Two things should be resolved before publication:
- The GLM acronym is never expanded in the handbook. It most likely denotes a Generalised Linear Model, but this needs confirming.
- Only the "Explain" stage of the framework is named. The other stages are implied but not described, so the method cannot currently be followed end to end from this chapter alone.
Full bibliography
A consolidated reference list for the whole handbook is in the References chapter.