Massachusetts DOT HPMS (Case Study)
Massachusetts DOT HPMS
Every year, State Department of Transportation’s (DOT’s), like Massachusetts DOT (MassDOT), submit highway performance data to the Federal Highways Administration (FHWA) through the Highway Performance Monitoring System (HPMS). FHWA collects this information from State DOT’s to determine the extent, usage, condition, and performance of the Nation’s highways. This is done in an effort to assist in needs assessments and performance measures leading ultimately to the distribution of highway funds. Twice a year, State DOT’s are required to report this data (an initial report in April and a complete report in June) to the FHWA utilizing a format and collection process detailed in the HPMS Field Manual. MassDot was looking for a solution that could connect directly to their Esri Roads and Highways implementation and validate their data against the HPMS field manual. MassDOT contracted 1Spatial Inc. to implement an automated, repeatable process using 1Spatial’s 1Integrate automated rules engine with FHWA’s HPMS rulesset against their Esri Roads and Highways implementation to prepare their data for these submittals.
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Historically, the HPMS submission process for the States has been a time consuming and labor intensive event. Further, FHWA is in the midst of updating the HPMS submission process (HPMS 9.0) to include validation checks that will go beyond the attribute only validations of the past, to include geometric and topological checks. Massachusetts HPMS data managers recognized the need to prioritize the update of their data management processes to be ready for these additional, more complex validations.
The validity of data is critical for apportioning state funding. Massachusetts DOT realized they needed to put an emphasis on cleaning their data prior to submission. This data cleanup can be an extremely tedious manual process, taking up valuable resources from key organizational missions set to ensure safe roadways. To reduce the utilization of those resources as well as to protect against possibility for human error, Massachusetts was looking for ways to automate and streamline the process, simplifying their workflow to gain efficiencies and better accommodate these new requirements.
To assist Massachusetts to meet these goals, 1Spatial implemented their 1Integrate HPMS Jump Start package to help MassDOT turn HPMS submittals into a process rather than an event. As a part of the package, 1Spatial performed an HPMS readiness assessment to ensure the data would meet the requirements of the new geospatial and topology quality checks. 1Spatial’s consultants then configured and implemented the same HPMS validation rules utilized by FHWA within MassDOT’s environment. In fact, the HPMS rules originally configured for FHWA by 1Spatial are being made available to all states to implement in their own environment, empowering them to leverage the rulesets within their own workflows. The automation provided by the 1Integrate rules engine, enables HPMS to become an ongoing process, minimalizing the affect on resources of the formerly mostly manual push for readiness during submission season.
However, like many State DOT’s, MassDOT manages and stores HPMS related data in their Esri Roads and Highways LRS implementation which is a different format then what is summitted to FHWA. 1Spatial worked with MassDOT to configure 1Integrate to connect directly to their Esri Roads and Highways implementation. The data quality reports returned from the 1Integrate HPMS Solution reference the source datasets as opposed to a secondary derived product that must be cross walked back to the source system to make corrections.
Advantages of the Solution
By MassDOT implementing this solution there is no need to attempt to interpret the HPMS field manual themselves or to hire a contractor to infer what types of validation checks FHWA may be performing. The rules within the HPMS Jump Start Package are an exact copy and use the same technology that FHWA has implemented. As a bonus, 1Spatial updates the rules yearly to keep them in synchronization with FHWA’s rulesets. There is no need to use a third-party pre‐processing step or a manual process to generate the HPMS product before running the validation checks. The validation checks runs against MassDOTs Esri Roads and Highways implementation providing non-conformance reports directly tied to their system of record which streamlines the data correction process by not having to transpose a derivative product back to the source. This makes MassDOT’s HPMS submissions more of a process rather than an event. This process can be refined every year to simplify and automate the entire HPMS submittal.
State DOT’s like West Virginia, Pennsylvania and Massachusetts are implementing 1Spatial’s 1Integrate HPMS Jump Start Package and are on their way to a more automated process for performing the HPMS validations required for next year's submission. In fact, states are also providing valuable input back to FHWA on ways the existing HPMS rules and resulting validation reports can be improved or tweaked to make it clearer as to where and why their data does not conform.
Some additional benefits to MassDOT and other State DOTs are as follows:
- Prepares MassDOT to be ready for the new HPMS geospatial and topological validations
- Savings realized by ensuring the submitted HPMS data will meet FHWA requirements prior to submittal, eliminating the time consuming back and forth of data correction/resubmittal
- Connect and validate directly against Esri Roads and Highways instead of derivativeproduct simplyfying the data cleanup effort
- Efficiencies gained from a process rather than an event
- Minimizes the change for error over former more manual process