Abstract: This document discloses system, method, and computer program product embodiments for determining an intermediate (i.e., alternate) stopping location (ISL) for a ride service request when a desired stopping location (DSL) is not reachable. The system will map and sensor data to select an ISL. In response to determining that the passenger has approved the ISL as a final stopping location (FSL), the vehicle will move along a route to the FSL.

Abstract: Methods and apparatus for protecting underground utilities from accidental excavation damage by assessing risk associated with a locate and/or marking operation to detect and/or mark a presence or absence of underground utilities in an excavation area. A locate request ticket generated by a one-call center and describing a locate and/or marking operation is electronically parsed to extract ticket information, and the extracted ticket information is rendered in a standardized computer-readable format (e.g., XML or other standardized format that may be processed by various software components). Historical damage reports for underground facility infrastructure, and/or historical records of previously completed locate request tickets, are retrieved based on the formatted extracted ticket information.

Abstract: A method performed by a device may include receiving information regarding a particular geographic area; retrieving an aerial image of the particular geographic area; displaying the aerial image; determining an approximate geographic location of a mark denoting an underground facility; overlaying, on the displayed aerial image, information concerning the approximate geographic location of the mark denoting the underground facility; and storing the aerial image and the information concerning the approximate geographic location of the mark denoting the underground facility.

Abstract: Methods and apparatus for assessing a locate and marking operation. Ticket information is received regarding the locate and marking operation prior to performance. Following performance, a locate manifest is received that includes a digital image associated with a dig area for which the operation was performed. One or more electronic indications are provided, based at least in part on a comparison of the ticket information and the locate manifest, of a quality assessment of the locate and marking operation. The electronic indication(s) indicate one of: 1) a satisfactory operation; 2) an unsatisfactory operation requiring further quality control assessment and/or at least partial re-performance; or 3) a satisfactory operation, but nonetheless requiring technician coaching. An electronic record is generated of the quality assessment of the locate and marking operation based on the electronic indication(s).

Abstract: Methods, apparatus, and systems for providing information regarding a locate and/or marking operation to identify a presence or an absence of at least one underground facility within a dig area. At least one notification indicating a status of the locate and/or marking operation is electronically transmitted and/or stored so as to inform at least one party associated with requesting the operation (a “requesting party,” e.g., an excavator, a property owner, a facility owner, a regulatory authority, a damage investigator, etc.) of the status of the operation. In one aspect, a requesting party may designate a preferred format, content, and/or method of receiving notifications regarding the locate and/or marking operation. In another aspect, a computer-generated GUI is provided to facilitate submission of requests, generation of “virtual white line” images to indicate one or more dig areas on a digital image of a work site, and/or selection of notifications and preferences for same.

Abstract: Marking apparatus and methods, in which first ticket information relating to a locate request ticket is received, and second ticket information derived from the first ticket information is displayed on a display device of the marking apparatus. A field technician may provide some input to generate an electronic record or log of technician activity during a marking operation. In one example, a checklist may be generated (e.g., based at least in part on the first ticket information) and displayed locally to the technician as a guide to perform and verify various aspects of the operation. In another example, a set of instructions or “workflow” may be generated to guide the technician through a sequence of steps to perform the marking operation. Performance via a process guide (e.g.

Abstract: Methods and apparatus for generating electronic records of marking operations for underground facilities/utilities. Electronic records of marking information may be logged/stored in local memory of a marking device, formatted in various manners, processed and/or analyzed at the marking device itself, and/or transmitted in whole or in part to another device (e.g., a remote computer/server) for storage, processing and/or analysis. In one example, an output stream of data packets is provided, wherein each data packet includes one or more flag fields that is/are set or reset upon at least one actuation of the marking device.

Abstract: A technician performs a locate operation of an underground utility in a dig area of proposed excavation by applying one or more physical colored markers (e.g., paint, flags, other colored markers) to ground, pavement or other surface to indicate a presence or an absence of the underground utility in the dig area. A digital image of a geographic area comprising the dig area is displayed on a display device, and one or more electronic colored markers corresponding to the physical colored marker(s) are added to the displayed digital image so as to generate a marked-up image. Information relating to the marked-up image is electronically transmitted and/or electronically stored so as to document the locate operation.

Abstract: Methods, apparatus and systems for computer-aided determination of quality assessment for locate and marking operations. In one example, a quality assessment decision is solely under the discretion of a human reviewer, albeit facilitated in some respects by computer-aided display of information, and electronic record keeping and communication functions associated with the quality assessment result(s). In another example, information related to a locate and marking operation is electronically analyzed such that a quality assessment is not based solely on human discretion, but rather based at least in part on some predetermined criteria and/or metrics that facilitate an automated determination of quality assessment.

Abstract: Methods, apparatus and systems for computer-aided determination of quality assessment for locate and marking operations. In one example, a quality assessment decision is solely under the discretion of a human reviewer, albeit facilitated in some respects by computer-aided display of information, and electronic record keeping and communication functions associated with the quality assessment result(s). In another example, information related to a locate and marking operation is electronically analyzed such that a quality assessment is not based solely on human discretion, but rather based at least in part on some predetermined criteria and/or metrics that facilitate an automated determination of quality assessment.

Abstract: Methods and apparatus to evaluate a quality of a locate and/or marking operation performed at a work site of proposed excavation in response to a locate request ticket. A display device displays a first portion of a graphical user interface based on first information from the locate request ticket, and further displays a second portion of the graphical user interface based on second information relating to the locate and/or marking operation as performed at the work site by a field technician. One or more indications of a quality assessment of the locate and/or marking operation are generated based on a comparison of at least some of the first information and at least some of the second information, and an electronic record of the quality assessment is stored and/or transmitted based on the indication(s).

Abstract: Systems and methods for generating electronic records of locate operations and marking operations are described. Exemplary systems and methods include marking devices that generate, store and/or transmit electronic records of marking information, locate devices that generate, store and/or transmit electronic records of locate information, and locate devices and marking devices that communicate with each other (and optionally with other devices or systems) to share/exchange locate information and/or marking information. An exemplary method for analyzing and processing locate information and marking information includes a computer-implemented method for visually rendering (e.g., in a display field of a display device) various aspects of locate and marking operations.

Abstract: A technician performs a locate operation of an underground utility in a dig area of proposed excavation by applying one or more physical colored markers (e.g., paint, flags, other colored markers) to ground, pavement or other surface to indicate a presence or an absence of the underground utility in the dig area. A digital image of a geographic area comprising the dig area is displayed on a display device, and one or more electronic colored markers corresponding to the physical colored marker(s) are added to the displayed digital image so as to generate a marked-up image. Information relating to the marked-up image is electronically transmitted and/or electronically stored so as to document the locate operation.

Abstract: Generating a digital-media-enhanced electronic record of a locate and/or marking operation performed by a locate technician. The locate and/or marking operation comprises locating and/or identifying, using at least one physical locate mark, a presence or an absence of at least one underground facility within a dig area, wherein at least a portion of the dig area may be excavated or disturbed during excavation activities. A location of the at least one underground facility and/or the at least one physical locate mark is electronically rendered on a display device so as to generate an electronic visual representation of the locate and/or marking operation. At least one digital media file representation of a corresponding digital media file relating to at least one aspect of the locate and/or marking operation or an environment of the dig area is also electronically rendered on the display device, so as to generate a digital-media-annotated representation of the locate and/or marking operation.

Abstract: First ticket information describing a locate operation to be performed is electronically received, including image information and/or geospatial metadata relating to a dig area and/or a work site. Field information relating to the locate operation as at least partially performed and/or environmental information relating to the dig area and/or the work site is electronically received and processed to provide a quality assessment of the locate operation.

Abstract: A marking device for a marking operation to mark a presence or an absence of one or more underground facilities is configured to access and display facilities map information, and/or other image information, as a visual aid to facilitate the marking operation. In various aspects, methods and apparatus relate to: selection of a “base” facilities map, or information from a database of facilities map data, relating to a given work site/dig area; selection of a pan and/or zoom (resolution) for displaying facilities map information; updating displayed facilities map information while a marking device is used during a marking operation (e.g. changing pan, zoom and/or orientation); overlaying on the displayed facilities map information marking information and/or landmark information relating to the marking operation; and storing locally on the marking device, and/or transmitting from the marking device, facilities map information and/or overlaid marking/landmark information (e.g.

Abstract: A method is disclosed for assessing an aspect relating to a locate and/or marking operation performed by a locate technician based on an electronic representation of the operation. The operation includes locating and/or identifying, using a physical locate mark, a presence or an absence of an underground facility within a dig area. A portion of the dig area may be excavated or disturbed during excavation activities. The method includes digitally representing, on a display device, the facility and/or the physical locate mark to generate an electronic visual representation of the operation. The method further includes determining a length associated with a portion of the digitally represented facility and/or physical locate mark in the electronic visual representation of the operation. The method further includes, based on the determined length, automatically assessing the aspect relating to the operation.

Abstract: Generating a corrected electronic record of a locate and/or marking operation. The operation comprises locating and/or identifying, using a physical locate mark, presence or absence of an underground facility within a dig area. At least a portion of the dig area may be excavated or disturbed. First information relating to a location of the facility and/or the mark is received. Based at least in part on the first information, the location of the facility and/or the mark is represented to generate an electronic visual representation of the operation. Second information relating to a corrected location of the facility and/or the mark is received. Based at least in part on the second information, the corrected location is represented to generate a corrected electronic visual representation of the operation. Third information relating to the corrected representation of the operation is transmitted and/or stored to generate the corrected electronic record of the operation.

Abstract: A locate device for a locate operation to detect a presence or an absence of one or more underground facilities is configured to access and display facilities map information, and/or other image information, as a visual aid to facilitate the locate operation. In various aspects, methods and apparatus relate to: selection of an appropriate “base” facilities map, or information from a database of facilities map data, relating to a given work site/dig area; selection of an appropriate pan and/or zoom (resolution) for displaying facilities map information; appropriately updating displayed facilities map information while a locate device is used during a locate operation (e.g. changing pan, zoom and/or orientation); overlaying on the displayed facilities map information locate information and/or landmark information relating to the locate operation; and storing locally on the locate device, and/or transmitting from the locate device, facilities map information and/or overlaid locate/landmark information (e.g.

Abstract: Marking material is dispensed onto a target surface using a marking device, and one or more images are captured by one or more camera systems attached to the marking device. The image(s) is/are analyzed to determine tracking information indicative of the a motion or an orientation of the marking device. The tracking information is analyzed to determine marking information relating to the dispensed marking material. In one example, the image(s) is/are analyzed to obtain an optical flow plot indicative of a path on the target surface traversed by the marking device. One or more reference plots respectively representing a plurality of reference marking patterns are compared to one or more portions of the optical flow plot to identify at least one reference marking pattern that substantially matches the portion(s) of the optical flow plot.