LL Proposal

General approach: picking low hanging fruits. Tasks are listed considering the priority, laboriousness and if they can be done with internal resources of the Forestry Department of the City of Luxembourg.

Phase 1: minimal tasks to metre en valeur the Limes Luxemburgensis

Map
Create and put online a new version of the 2021 Bambësch map, with a new Promenade Limes Luxemburgensis, similar to the existing ones such as Promenade Hare. It should have a different visual look due to the cultural nature of this new promenade; replace the black dots by marker numbers, indicating typographically the status: found or missing. It would be ready for paper printing, when necessary. There should be a version only with the map, without the explanatory part of the brochure.
Vegetation clearance
Periodically (once a year?) clear vegetation. Anything around markers, but without touching them; leaving anything attached to markers, such as plants or moss to avoid inexpert well-intentioned restorations. Also, clear vegetation from existing paths to markers about ten meters away (81), and a few sections far from existing paths and difficult to access (26-31 38-40 63-66). One might consider adding mulch.
Guardian
Appoint a Guardian of the Limes Luxemburgensis: this should be a field job, not a desk job. Among others, the Guardian should have the mandate to caution parties that might damage markers. This is already probably done by Forestry Department; it does not imply recruiting new staff and it can be fulfilled by existing staff, but formally creating the title reinforces the function.

Phase 2

Some of these tasks could be done with internal resources of Forestry Department, others are probably outside its mandate and they require specialised resources such as archeologists and restorers.

Coordinates
Get the available coordinates of markers used for the 2021 Bambësch map, though a new set should be retaken. Add them to the table and correct the coordinates in the metadata of the pictures as most of them have inexact coordinates. It can be done by the author of limes.lu, after obtaining the coordinates.
Search for the missing markers
With the coordinates of the present positions of the markers and comparing them with the LL 1772 map, one should be able to estimate the original location of the missing markers. Save in exceptional cases (88), markers were just buried or discharged nearby: markers are heavy and displacing them implies a certain willingness. Hence, some markers should be buried near the surface (21). Markers disturbed by major works such as roads (61), earthworks (13) or landfill (14-16) could be awkward to find, though one never knows if they are under the tarmac or at the edge of the road (17). For markers in build up areas (1-12 89-90), one should start by asking the inhabitants of the houses: one might discover markers in their back gardens.
Pointers to markers
Place wooden stakes (about 10cm diameter, 120cm high) next to the existing paths pointing to non obviously visible markers. The wooden stakes must be all the same style with the inscriptions LL and limes.lu, top shaped to point in a direction; no need to be numbered.
Concerned markers (18): 39 41 42 43 44 48 49 50 51 56 57 64 66

In progress: 81 82 83 84 86

Provisional markers
On the location of missing markers in the forest, put provisional wooden markers of similar size, shape and inscription to the existing stone ones: a rectangular cuboid of 33cm x 33cm x 100cm with rounded top part and similar inscription; 33cm of the 100cm buried. Inscribe limes.lu in addition to the marker number, LL and 1772; extensive pertinent information are in the website, hence avoiding cluttering markers.
Concerned markers (10): 13 17 21 52 61 66 68 85 89 90
Marker 90 location is next to the Bëschspillschoul and it could be part of children educational program.
Maintenance of the markers
Only obvious and minimal maintenance; no restoration: redress markers that are heavily leaning (25 41 67); unbury markers that are too deep in the ground (44 45 70); uncover markers hidden by trees and branches (21 52); remove large branches on the markers (84).

In progress: 71, before | 72, before | 75, before

Path Limes Luxemburgensis
Create a path on the ground along the original Limes Luxemburgensis; mostly vegetation cleaning. Care must be taken to preserve the earthworks; indeed, the earthwork is an archeological remain. The section correponding to the three markers (14-16) in the former landfill might be challenging.
Unidentified marker near 53
Display the marker horizontally lying on the ground in an appropriate place, such as next to the marker 53 or near Devashaff. The display as in the museums (88).
Marker 88
Move back this marker from the store of History Museum of the City of Luxembourg to its original location. It is not exhibited to the public.
Move markes to original location
Move markers into their original location. It essential to carefully verify that the new location is the original location.
Concerned markers: 33 70 86
Study and restore markers
Carefully study each individual marker: form, stone types, date, etc. For example; form: some markers are wider at groud level (24 25 58); stone types: some seems to be (not sure) artificial stone (35 37 53 54 59 60 88). Date all markers and add the replacement year to newish markers; say, less than 40 years; dating might discover that some markers were replaced 100 or 150 years ago. Professionally restore markers.
Restore the whole Limes Luxemburgensis
After concluding the search and study, replace missing markers with copies, including the above mentioned provisional wooden markers. Copies must follow the characteristics of the original markers such as stone type and shape. As with the provisional wooden markers, limes.lu should inscribed in the front lower part. The replacement year (60) must be added to another side: markers will survive websites. The original locations of some markers are in a build-up area; they should be placed the nearest possible to the original location (58), inscribing the coordinates of the original locatation to a side, not the front. Anyhow, the current archaeological practices must be followed.
Photograph
After restoring, professionally photograph all the markers.