Highway Data Services
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New York State Department of Transportation coordinates operation of transportation facilities and services including highway, bridges, railroad, mass transit, port, waterway and aviation facilities
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Engineering Division -

Office of Technical Services

Highway Data Services Bureau

Patrick Kemble, Acting Director

The Highway Data Services Bureau is responsible for the collection and dissemination of information on the extent, use and condition of the public roadway system in New York State. The Bureau consists of three sections: Highway Data, Traffic Monitoring, and Pavement Data.

Contact Information:

Phone: (518) 457-1965

For roadway information or general questions: HDSB@dot.ny.gov

For questions on traffic monitoring data: MO-TrafficDataViewer@dot.ny.gov

For more extensive data requests or to request highway inventory or traffic monitoring data not readily available on this page, request records using the FOIL request webpage:

Webpage: FOIL request

Contact info regarding Trucks:

For questions regarding Trucking Permits: please call 518-485-2999 or visit https://www.dot.ny.gov/permits

Other Trucking questions: please call the NYSDOT Office of Modal Safety and Security at 518-457-6512 or visit https://www.dot.ny.gov/divisions/operating/osss/truck

Weigh Stations/Citations: contact NYS Troopers in the area in question

HIGHWAY DATA SECTION

Patrick Kemble, Supervisor

Maintains an up-to-date inventory of public roadways in New York State, including physical and administrative data about the roads. Merges roadway inventory, traffic data, and pavement condition data into comprehensive listings of roadway use and condition and makes the data available to the public and other governmental agencies.

Highway Statistics​

Highway Mileage Report 2017

Annual report indicating highway mileage by jurisdiction and county. Prior editions of the Highway Mileage Report (1975 to present) are available in a pdf format upon request.

Highway Mileage 2017 (zip file contains csv file)

Highway mileage by jurisdiction and county in a database table format.

Highway Mileage Summaries 2017

Centerline and lane-mileage stratified into several different groupings including jurisdiction, touring & reference route systems, Federal Aid eligibility, National Highway System, Regions, counties, and urban/rural.

Vehicle Miles of Travel 2017 (zip file contains csv file) revised 7/24/2018

Estimates of Vehicle Miles of Travel (VMT) and system length stratified by functional class, urban area, and county.

Roadway Inventory 2017

A detailed listing of all of the public roads in the State by county. Includes traffic data (the Annual Average of Daily Traffic, AADT) where available.

Local Highway Inventory

The most recently distributed listings of the municipality and county owned roadways from the Roadway Inventory.

Local Highway Inventory - County Roads 2022

Local Highway Inventory - Local Roads and Streets 2022

Local Highway Inventory Manual (updated April 2018)

Local Highway Inventory Instructions (zip file contains docx)

Functional Classification

Functional classification is the process by which roads, streets and highways are grouped into classes according to the character of service they provide. Individual roads and streets do not serve travel independently but as part of a network of roads through which the traffic moves.

RIS Viewer

The Roadway Inventory System Viewer (RIS Viewer) is a GIS web application for displaying data contained in the Roadway Inventory System (RIS) database. At this time the following data is available in this manner:

Federal Aid Eligible System (All Public Roadways)

State Highway, Posted Speed Limits

State Highway, Annual Average Daily Traffic Volumes

TRAFFIC MONITORING SECTION

Kurt Matias, Supervisor

Manages the collection and processing of traffic monitoring data on state and local highways. Traffic data is collected comprehensively on state routes and federal aid eligible roads, at most bridge locations, and selectively across other state, county, and local roadways within New York State. An estimated Annual Average of Daily Traffic (AADT) is developed for nearly all locations at which traffic data is collected and is available via the Traffic Data Report, Traffic Data Viewer, Roadway Inventory, and other reports and data found online. Archived data is also available upon request.

Traffic Data Requests

Traffic data can be obtained via one of the links listed below or by contacting the Highway Data Services Bureau:

Phone: (518) 457-1965

E-mail: MO-TrafficDataViewer@dot.ny.gov

Traffic Data Report

An annual report showing a current estimate of the AADT for all state routes and up to three prior counts.

Traffic Data Viewer

The Traffic Data Viewer is an interactive GIS web application map tool that provides traffic data including vehicle volume, classification, and speed. It also displays annual average daily traffic, truck percentages, and directional design hour volume. Data is available by average per station and by individual count history. It is searchable by such parameters as address, station number, and route by county.

Traffic Data Viewer direct link: nysdottrafficdata.drakewell.com/publicmultinodemap.asp

Traffic Data Viewer landing webpage: www.dot.ny.gov/tdv

For a guide on basic features of the Traffic Data Viewer, please review this PDF tutorial - Traffic Data Viewer Guide

Shapefiles:

TDV_GDB Shapefile_AADT_2019.zip

TDV_GDB Shapefile_AADT_2020.zip

TDV_GDB Shapefile_AADT_2021.zip

TDV_GDB_Shapefile_Short_Counts_2019.zip

TDV_Shapefile_Continuous_Counts_2016.zip

Historic Traffic Data

A compilation of traffic data (AADT) from 1977 to 2020 (file format: zip file containing csv).

Downloadable Traffic Data

Traffic data is available as comma delimited text files. These files can be opened using Microsoft Excel, Microsoft Access, or other compatible software.

Effect of the COVID-19 Pandemic on Traffic in New York State in 2020

Traffic study demonstrating the effects COVID-19 had on travel in New York State. Analysis used 2020 traffic data compared to the three-year average of 2017 - 2019.

Traffic Count Program References:

Seasonal Adjustment Factors 2022

Seasonal Adjustment Factors 1990 - 2021 (zip file contains csv)

Axle Adjustment Factors 2022

Heavy Vehicle Percentages 2022

Traffic Monitoring Standards for Short Count Data Collection of Motorized Vehicles EB 23-032.pdf

Traffic Monitoring Standards for Micromobility Short Count Data Collection EB 24-018

Traffic Monitoring Standards for Turning Movement Counts EB 20-051

Geospatial Coordinates Template 2015 (zip file contains xlsx)

Traffic Count Field Log Template 2020 (zip fle contains xlsx)

Work Week Calendar 2024

Bridge/RR/Construction Form

Micromobility Count Field Log (revised 2024)

PAVEMENT DATA SECTION

Michael Mariotti, Supervisor

Manages the annual pavement condition survey (a visual assessment of pavement conditions on state routes), collects and processes pavement roughness and other pavement condition measures using a profiler-type vehicle, and maintains a visual inventory of state routes in a photo-image format (the Photolog). Works closely with the Pavement Management Unit in the processing and analysis of pavement data. An annual report of pavement conditions for the last several years and the most recent Pavement Data Report can be found at the Pavement Management Unit .

Photolog

The Photolog is a series of sequential photographs taken at regular intervals along state routes and other selected facilities on a periodic basis since 1975.

Local Pavement Data

NYSDOT collects pavement data on the local Federal-Aid system on a bi-annual basis. The files below include information on the locally maintained roadways that are eligible for Federal-Aid funding.

2020-2021 FAE Local Maintained Pavement Condition Data by County CSV Files (zip fle contains csv files)

SOFTWARE

NYSDOT uses custom developed software to complete the traffic count data quality control process. The software contains built in checks, based on FHWA guidelines for acceptable data, along with various graphical displays to assist the operator in determining the data's quality. This software is publicly accessible and can be used for traffic count quality control review, to produce reports, and to analyze growth rates.

Traffic Count Editor (TCE)

Software used to prepare raw traffic data for processing in TRADAS. Built in checks and various graphical displays allows the operator to quality control the data. NYSDOT standard reports can also be generated once the counts have been approved.

Traffic Count Editor (TCE) Installation Files:

TCE_1_0_93_Setup.exe (version 1.0.93)

TCE_Configuration_Files.zip (updated 1/25/2024)

TCE.exe (version 1.0.93)

TCE_Report_links.zip (updated 8/17/2020)

Traffic Count Editor (TCE) Installation Instructions:

Download and run TCE_1_0_93_Setup.exe

Download and Unzip TCE_Configuration_Files.zip

(for more current TCE configuration files, contact HDSB: MO-TrafficDataViewer@dot.ny.gov)

Run TCE and follow prompts to complete set-up

(optional) Download and unzip TCE_Report_links.zip , place in TCE configuration files folder, place link to TCE_Reports_Link.csv in Historical Reports

Traffic Data Forecaster

Software used in the forecasting of AADT. Allows the operator to estimate grouped average traffic growth rates and forecast AADT values for stations with missing years.

Traffic Data Forecaster (TDF) Installation Files:

TDF_1_2_3_setup_2-27-14.exe (version 1.2.3)

TDF_Configuration_Files.zip (updated 5/18/2022)

Traffic Data Forecaster (TDF) Installation Instructions: