Stats computed: 2026-09-15 14:39:41
Last Pipeline Completed
2026-09-15 14:39:38
Last ATLAS Downloaded
2026-09-15 04:07:00
Last GTFS Downloaded
2026-09-15 04:07:00
Last Overpass Query
2026-09-15 14:32:59
Stops matching
54,959
ATLAS Platforms
49,481
OSM Stops
66,253
OSM Nodes
89.6%
Matched ATLAS (%)
51,986
ATLAS with OSM ≤ 50m
94.7%
Matched ATLAS with OSM ≤ 50m (%)
Matching Stages
| Stage | Count | % of Total | Many-to-One | Not Closest | Mean (m) | Median (m) | P95 (m) |
|---|---|---|---|---|---|---|---|
| Exact (UIC ref) | 21,253 | 33.3% | 13,212 | 5,786 | 20.56 | 8.49 | 76.95 |
| Name matching | 441 | 0.7% | 6 | 159 | 48.63 | 14.1 | 118.7 |
| Route matching (total) | 15,631 | 24.5% | 14 | 3,882 | 7.1 | 5.17 | 20.68 |
| GTFS | 15,631 | 24.5% | 14 | 3,882 | 7.1 | 5.17 | 20.68 |
| Distance (total) | 11,969 | 18.8% | 2,490 | 3,496 | - | - | - |
| Stage 0: Trio side matching | 2,456 | 3.8% | 2,456 | 859 | 8.78 | 4.47 | 23.58 |
| Stage 1: Group proximity (50m) | 8,529 | 13.4% | 26 | 2,197 | - | - | - |
| Stage 1a: UIC ref | 8,219 | 12.9% | 23 | 2,126 | 7.74 | 5.18 | 24.71 |
| Stage 1b: UIC name | 41 | 0.1% | 0 | 7 | 8.83 | 6.16 | 33.41 |
| Stage 1c: Name | 269 | 0.4% | 3 | 64 | 12.1 | 8.13 | 37.87 |
| Stage 1b: Group proximity (150m) | 498 | 0.8% | 3 | 374 | - | - | - |
| Stage 1d: UIC ref (150m) | 470 | 0.7% | 1 | 351 | 82.22 | 75.2 | 136.66 |
| Stage 1e: UIC name (150m) | 5 | 0.0% | 0 | 4 | 121.32 | 123.62 | 149.23 |
| Stage 1f: Name (150m) | 23 | 0.0% | 2 | 19 | 74.09 | 60.62 | 126.95 |
| Stage 2: Local ref | 73 | 0.1% | 4 | 25 | 16.21 | 12.89 | 39.9 |
| Stage 3a: Single candidate | 363 | 0.6% | 1 | 41 | - | - | - |
| 3a pass 1 | 326 | 0.5% | 1 | 35 | 12.94 | 8.67 | 44.31 |
| 3a pass 2 | 37 | 0.1% | 0 | 6 | 11.28 | 5.53 | 44.52 |
| Stage 3b: Ratio test | 50 | 0.1% | 0 | 0 | 2.96 | 2.45 | 7.13 |
| Post-processing: ATLAS Duplicate propagation | 332 | 0.5% | 332 | 118 | 24.04 | 8.79 | 101.53 |
| Post-processing: OSM stop partner propagation | 14,185 | 22.2% | 1,785 | 8,337 | 8.84 | 5.38 | 26.24 |
Distance Quality
13.14m
Mean Distance
6.02m
Median Distance
46.1m
95th Percentile
Cross-Predicate Consistency
If we had matched every pair to its nearest OSM node instead:
65.9%
Consistent with Nearest
42,033
Same as Nearest
21,778
Would Differ
Many-to-One Analysis
OSM platform/stop_position groups are counted as one OSM stop in this section.
334
ATLAS platforms matched to multiple OSM stops
Max: 5 OSM stops per ATLAS
7,324
OSM stops matched to multiple ATLAS platforms
Max: 10 ATLAS per OSM stop
Distribution: 1 ATLAS to N OSM stops
Ratio key: 1A:2O = one ATLAS platform matched to two OSM stops.
Distribution: N ATLAS to 1 OSM stop
Ratio key: 2A:1O = two ATLAS platforms matched to one OSM stop.
OSM Stops
OSM Stop Inventory
66,253
OSM Nodes
49,481
OSM Stops
1,716
OSM Stations
3,772
Nodes with
operator:wikidata27,674
Nodes with
network:wikidataNon-node OSM Stops (Ways)
342
Total Way Stops
165
Matched
177
Unmatched
48.2%
Match Rate
OSM Groups (Platform / Stop Position Pairs)
15,543
Total Groups
15,414
Both Matched
129
Neither Matched
Groups by Type
| Group Type | Count |
|---|---|
| osm_trio | 1,229 |
| osm_pair_uic_equal_15m | 10,354 |
| osm_pair_uic | 2,950 |
| osm_pair_name | 650 |
| osm_pair_name_equal_15m | 30 |
| osm_pair_tram | 317 |
| osm_pair_tram_equal_15m | 13 |
Unmatched
Unmatched Analysis
Unmatched ATLAS (5,712)
| No OSM within 50m | 2,973 |
| Has nearby OSM | 2,739 |
Unmatched OSM (9,239)
| No ATLAS within 50m | 3,401 |
| Has nearby ATLAS | 5,838 |
Attributes Analysis
| Has Attributes | Count |
|---|---|
| UIC & Local Ref & Routes | 164 |
| UIC & Local Ref | 107 |
| UIC & Routes | 2,188 |
| Local Ref & Routes | 86 |
| UIC only | 2,914 |
| Local Ref only | 86 |
| Routes only | 1,024 |
| None | 2,670 |
ATLAS
ATLAS Duplicates
| Total duplicate SLOIDs | 640 |
| Matched duplicates | 639 |
| Unmatched duplicates | 46 |
Problems
Problem Detection Statistics
39,850
Clean Entries (No Problems)
50.6% of total
78,762
38,912
Entries with Problems
49.4% of
total 78,762
4,463
Multiple Problems Output
Entries with >1 problem types
P1
Critical
6,632
| Problem Type | Count |
|---|---|
| Distance — Too far from OSM node | 1,220 |
| Unmatched — Isolated ATLAS / OSM node | 4,482 |
| Attributes — Missing or mismatched data | 930 |
P2
Significant
15,987
| Problem Type | Count |
|---|---|
| Distance — Too far from OSM node | 4,529 |
| Unmatched — Isolated ATLAS / OSM node | 7,501 |
| Attributes — Missing or mismatched data | 326 |
| Duplicates — OSM or ATLAS side collisions | 338 |
P3
Minor
21,062
| Problem Type | Count |
|---|---|
| Distance — Too far from OSM node | 5,616 |
| Unmatched — Isolated ATLAS / OSM node | 2,968 |
| Attributes — Missing or mismatched data | 11,015 |
| Duplicates — OSM or ATLAS side collisions | 1,463 |
Routes
Route Coverage
| ATLAS stops matched by GTFS routes | 44,559 / 54,959 | 81.1% |
| OSM stops with routes coverage | 35,290 | 71.3% |
ATLAS coverage here is stop-side route coverage. The GTFS mapping block below reports the separate GTFS stop_id to ATLAS sloid mapping coverage.
Route-Route Matching
| Metric | Count |
|---|---|
| Route-route links (ATLAS ↔ OSM) | 2,056 |
| Linked ATLAS route IDs | 2,056 |
| Linked OSM route IDs | 2,056 |
| Coverage | Count | Percent |
|---|---|---|
| ATLAS route IDs with link | 2,056 / 4,058 | 50.7% |
| OSM route IDs with link | 2,056 / 2,874 | 71.5% |
| ATLAS itineraries with link | 1,077 / 14,546 | 7.4% |
| OSM itineraries with link | 1,077 / 8,208 | 13.1% |
| ATLAS route directions (total) | 7,647 | - |
| OSM route directions (total) | 4,919 | - |
Match Method Breakdown
| Method | Count | % of Total |
|---|---|---|
| Exact GTFS route ID | 1,660 | 80.7% |
| Normalized GTFS route ID | 396 | 19.3% |
| OSM display route ID matches ATLAS route ID | 0 | 0.0% |
This section reports route-route links from import DB route tables, not stop-level predicate matches.
Route Pipeline Shape
| Metric | Mean | Median |
|---|---|---|
| ATLAS itineraries per family | 3.58 | 3.0 |
| OSM itineraries per family | 2.86 | 2.0 |
| GTFS trips collapsed into one ATLAS itinerary | 142.32 | 17.0 |
| Matched family itinerary gap (ATLAS - OSM) | 1.03 | 0.0 |
| Matched Family Comparison | Count |
|---|---|
| Matched families where ATLAS has more itineraries | 915 |
| Matched families with equal itinerary counts | 796 |
| Matched families where OSM has more itineraries | 345 |
OSM Route Family Grouping Method
How OSM route relations are grouped into line families. Priority order: route_master → GTFS route ID → (route, ref, operator, network) → per-relation fallback.
| Grouping Method | Families | % of Families | Relations |
|---|---|---|---|
| route_master (explicit OSM grouping) | 2,673 | 93.0% | 7,962 |
| Normalized GTFS route ID | 5 | 0.2% | 7 |
| Synthetic key (route, ref, operator, network) | 196 | 6.8% | 239 |
| Per-relation fallback (no grouping key) | 0 | 0.0% | 0 |
| Total | 2,874 | 100% | 8,208 |
GTFS stop_id → ATLAS sloid Mapping
82,818
Total GTFS stop_ids
50,557
Matched stop_ids
32,261
Unmatched stop_ids
61.05%
GTFS stop_id Coverage
54,959
Total ATLAS stops
44,559
ATLAS stops matched
81.1%
ATLAS stop Coverage
Matching Paths
① Direct SLOID match
Matches where original_stop_id directly contains a valid ATLAS SLOID.
43,161
Assignments
② Strict matching
Matches on (UIC number, local ref) = (number, designation) in ATLAS.
18
Assignments
③ Coordinate proximity
For remaining: ATLAS stops with the same UIC number within 0.5m (must be unambiguous).
944
Assignments
④ Unique-number fallback
For remaining: if a UIC number maps to exactly one ATLAS row, use that sloid.
6,435
Assignments
50,558
Total assignments (all paths combined)
Cardinality
GTFS stop_id side
50,556
1 → 1
1
1 → many
ATLAS sloid side
39,361
1 → 1
5,198
many → 1
Unmatched Reasons
| Reason | Count |
|---|---|
| No ATLAS candidate for this UIC number | 695 |
| Non-unique ATLAS number (strict miss, fallback not applicable) | 31,566 |
| Coordinate proximity conflict (multiple candidates within radius) | 279 |