Resolving inconsistencies in vehicle guidance maps
An improved system and method is disclosed of accessing mapping data for a geographical area comprising speed limit data for a first road segment, accessing second mapping data providing speed limit data for a plurality of corresponding road segments from a second source, determining an overlap amount between the candidate road segments and the first road segment, using overlap data to identify a first subset of the candidate road segments, identifying a first speed limit that has a highest likelihood of being accurate from speed limits respectively associated with road segments in the second subset of the candidate road segments, transmitting the first speed limit in association with a map comprising the first geographical area to a vehicle device.
1. A system configured to resolve differing map data comprising:
one or more a computer readable storage mediums having program instructions embodied therewith; and
one or more processors configured to execute the program instructions to cause the system to:
access first mapping data for a first geographical area from a first source of mapping data, the first mapping data providing speed limit data in association with a corresponding first road segment;
access second mapping data for the first geographical area from a second source of mapping data, the second source different than the first source, the second mapping data providing speed limit data for a plurality of corresponding road segments;
conducting a search for candidate road segments among the plurality of corresponding road segments of the second mapping data from the second source of the mapping that are within a first distance of the first road segment of the first mapping data from the first source of mapping data;
determine an amount of overlap between the candidate road segments among the plurality of corresponding road segments of the second mapping data from the second source of the mapping data and the first road segment of the first mapping data from the first source of mapping data;
based at least in part on the determined amount of overlap between the candidate road segments and the first road segment, identify a first subset of the candidate road segments including a first given segment and a second given segment;
determine, using one or more criteria, whether a given road segment in the first subset of the candidate road segments is to be excluded from the candidate road segments, the one or more criteria comprising directionality and/or the determined amount of overlap of the first given road segment with the first road segment;
based at least in part on a determination that a given road segment in the first subset of the candidate road segments is to be excluded from the candidate road segments, identifying a second subset of the candidate road segments;
based on one or more criteria, identify a first speed limit that has a highest likelihood of being accurate from speed limits respectively associated with road segments in the second subset of the candidate road segments;
transmit the first speed limit in association with a map comprising the first geographical area to a vehicle device.
2. The system of claim 1 , wherein determining, using one or more criteria, whether a given road segment in the first subset of the candidate road segments is to be excluded from the candidate road segments, further comprises determining whether a given road segment in the first subset of the candidate road segments has a directionality corresponding to a directionality of the first road segment.
3. The system of claim 1 , wherein determining, using one or more criteria, whether a given road segment in the first subset of the candidate road segments is to be excluded from the candidate road segments, further comprises determining whether a given road segment in the first subset of the candidate road segments has an overlap with the first road segment that satisfies a first threshold.
4. The system of claim 1 , wherein the identifying the first subset of the candidate road segments further comprises selecting a specified percentage of candidate road segments.
5. The system of claim 1 , wherein identifying the first subset of the candidate road segments further comprises selecting a specified percentage of candidate road segments.
6. The system of claim 1 , wherein the system is configured to provide a user interface comprising:
a rendering of a map of the first geographical area and an identification of speed limits associated with respective road segments;
an interface enabling a speed limit to be specified that overrides a given speed limit in the identified speed limits associated with respective road segments,
wherein in response to receiving, via the interface, a specified speed limit that overrides a given speed limit, displaying the speed limit and the overridden speed limit.
7. The system of claim 1 , wherein the system is configured to enable the identified first speed limit that has the highest likelihood of being accurate to generate speeding alerts in response to vehicles exceeding the first speed limit.
8. The system of claim 1 , wherein the system is configured to enable a safety score to be generated based at least in part on detecting that a driver of a vehicle has exceeded the identified first speed limit when traversing the first road segment.
9. The system of claim 1 , wherein the system is configured to provide a user interface enabling a set of speed limits to be specified for the first road segment, the set comprising a first speed limit for a first vehicle type and a second speed limit for a second vehicle limit.
10. A method performed by a computing system having one or more hardware computer processors and one or more non-transitory computer readable storage devices storing software instructions executable by the computing system, the method comprising:
accessing first mapping data for a first geographical area from a first source of mapping data, the first mapping data providing speed limit data in association with a corresponding first road segment;
accessing second mapping data for the first geographical area from a second source of mapping data, the second source different than the first source, the second mapping data providing speed limit data for a plurality of corresponding road segments;
identifying candidate road segments among the plurality of corresponding road segments of the second mapping data from the second source of the mapping that are within a first distance of the first road segment of the first mapping data from the first source of mapping data;
determining an amount of overlap between the candidate road segments among the plurality of corresponding road segments of the second mapping data from the second source of the mapping data and the first road segment of the first mapping data from the first source of mapping data;
based at least in part on the determined amount of overlap between the candidate road segments and the first road segment, identify a first subset of the candidate road segments including a first given segment and a second given segment;
determining, using one or more criteria, whether a given road segment in the first subset of the candidate road segments is to be excluded from the candidate road segments, the one or more criteria comprising directionality and/or the determined amount of overlap of the first given road segment with the first road segment;
based at least in part on a determination that a given road segment in the first subset of the candidate road segments is to be excluded from the candidate road segments, identifying a second subset of the candidate road segments;
based on one or more criteria, identifying a first speed limit predicted to be accurate from speed limits respectively associated with road segments in the second subset of the candidate road segments;
transmitting the first speed limit in association with a map comprising the first geographical area to a vehicle device.
11. The method of claim 10 , wherein determining, using one or more criteria, whether a given road segment in the first subset of the candidate road segments is to be excluded from the candidate road segments, further comprises determining whether a given road segment in the first subset of the candidate road segments has a directionality corresponding to a directionality of the first road segment.
12. The method of claim 10 , wherein determining, using one or more criteria, whether a given road segment in the first subset of the candidate road segments is to be excluded from the candidate road segments, further comprises determining whether a given road segment in the first subset of the candidate road segments has an overlap with the first road segment that satisfies a first threshold.
13. The method of claim 10 , wherein the identifying the first subset of the candidate road segments further comprises selecting a specified percentage of candidate road segments.
14. The method of claim 10 , wherein identifying the first subset of the candidate road segments further comprises selecting a specified percentage of candidate road segments.
15. The method of claim 10 , the method further comprising providing a user interface comprising:
a rendering of a map of the first geographical area and an identification of speed limits associated with respective road segments;
an interface enabling a speed limit to be specified that overrides a given speed limit in the identified speed limits associated with respective road segments,
wherein in response to receiving, via the interface, a specified speed limit that overrides a given speed limit, displaying the speed limit and the overridden speed limit.
16. The method of claim 10 , the method further comprising enabling the identified first speed limit to generate speeding alerts in response to vehicles exceeding the first speed limit.
17. The method of claim 10 , the method further comprising enabling a safety score to be generated based at least in part on detecting that a driver of a vehicle has exceeded the identified first speed limit when traversing the first road segment.
18. The method of claim 10 , the method further comprising providing a user interface enabling a set of speed limits to be specified for the first road segment, the set comprising a first speed limit for a first vehicle type and a second speed limit for a second vehicle limit.