Michigan Weekly Fatal Crashes
Live counter provided by MDOT Toward Zero Deaths. Refresh to see the latest totals.
Python Utilities
Download Python scripts for TCO cleanup, filename changes, folder checks, data cleanup, CSV-to-wiki tables, audio, UD-10 reports, SVG-to-DXF conversion, and seasonal factor heatmaps, with step-by-step instructions.
Browse Python UtilitiesMultiple File Downloader
HTML and JavaScript example for selecting and downloading multiple files. Uses sample images; adapt the links for FUSP documents.
Road Centerline Name Search
Search Oakland County road names and view matching centerline segments and community boundaries.
Search Road CenterlinesBoard & Bid Letting Dates
Quick PDFs for board meetings and construction bid lettings.
Board Meetings
Bid Lettings
Project Planning
Construction Map
Time Off Decision Helper
Map call-ins to the right leave type with ESTA rules, notes, and approvals.
Open Time Off ToolMISS DIG QR Builder
Generate the clean /missdig/?ticket=... link for your QR code while keeping the field page uncluttered.
Taper Lengths
Toggle between simple and advanced taper length calculators in one place.
Open Taper ToolMDOT TTC Typical Selector
Filter maintaining traffic typicals, prepare a table for Word, and download your selected typicals as one PDF.
Select Traffic TypicalsPCMS Message Builder
Compose two-screen, 8x3 portable message signs with a live board preview and GIF export.
Open PCMS ToolCulvert Headwater
Compare inlet vs outlet control headwater, HW/D ratio, and roadway clearance.
Open Culvert ToolDriveway Layout
Check RCOC driveway widths, parcel frontage, spacing, openings, corner offsets, and residential sight distance.
Open Driveway ToolUnderdrain Materials
Pipe, fabric, and pea stone quantities for 6" wrapped underdrains (per foot and totals).
Open Underdrain ToolCrash Report Fetcher
Enter a Crash ID to open the corresponding UD-10 PDF report.
Open UD-10 ToolLeft-Turn Queue Length
Estimate left-turn capacity and storage length. Experimental—use with caution.
Open Queue ToolRCOC Turning Warrants
Toggle between left- and right-turn envelopes to see if a taper, lane, or prohibition applies.
Open Warrant ToolStop vs Yield (Safe Approach)
Log sight-triangle measurements and roadway widths before crunching safe approach speeds.
Open Stop/Yield ToolTWSC Example (HCM)
Run the Chapter 32 Example 1 steps for a three-leg two-way stop-controlled intersection.
Open TWSC ToolFillet Area
Pick an angle and radius to estimate fillet area.
Open Fillet ToolIrregular Volumes
Toggle between Average End Area and Cross-Section methods for irregular solids.
Open Irregular Volumes ToolIrregular Area
Equal-spacing irregular figure area using A = L[(a + j)/2 + b + c + d + e + f + g + h + i].
Open Irregular Area ToolPavement Marking
Estimate paint, beads, and totals for lines, legends, and symbols.
Open Marking ToolRaised Pavement Markers (RPM)
Enter curve lengths and speed differences to estimate RPMs with the RCOC workbook method, including markers before and after each curve.
Open RPM CalculatorConstruction Production Calculator
Estimate project duration or maximum complete production in a closure with editable operations, rates, and calendars.
Open Production CalculatorHMA Weight Factor
Compute compacted HMA lb/SYD/in from JMF Gmb, with optional total lb and tons.
Open HMA Weight ToolHot Poured Rubber
Estimate joint sealant lb/ft and lb/100 ft from lb/gal and sawed joint dimensions.
Open Hot Poured Rubber ToolCrash Rate
Compute crash rates for segments or intersections with a single tool.
Open Crash Rate ToolWork Order Number
Pick the road class, tap the map for a city, and instantly build the work order number.
Open Number ToolClear Zone
Table-based clear zone lookups with slope offsets from the AASHTO RDG.
Open Clear Zone ToolLength of Need
Angle-line LON with deflection, runout check, and RDG-based defaults.
Open LON ToolSuperelevation
Compute e from V²/(15R) with design f defaults and e_max limits.
Open Superelevation ToolStop Sign Warrants
MUTCD 11ed helper for two-way vs multi-way stop considerations.
Open Stop Warrant ToolOakland Co. WQ Volume
Capture volume helper using your manual’s depth/coefficients with a quick link.
Open WQ Volume ToolMultilane Highway LOS
Level of service for an uninterrupted-flow highway with four total lanes and at-grade access. Compare HCM 2010 and HCM 6th Edition results, with capacity checks and worked formulas.
Open Multilane LOS ToolBasic Freeway LOS
Level of service for a basic freeway segment with ramp access. HCM 6th Edition calculations include directional lanes, ramp density, heavy vehicles, capacity and worked formulas.
Open Freeway LOS ToolStopping Sight Distance
Compute uphill/downhill stopping sight distance with a quick chart.
Open SSD ToolSight Line Elevation Checker
Find the elevation at any distance between an eye point and a target.
Open Elevation CheckerSight Line vs. Ground Profile
Plot measured ground against a sight line, highlight obstructions, and review clearances.
Open Ground Profile ToolHorizontal Sight Offset
Calculate HSO from speed or sight distance with grade and radius.
Open HSO ToolHorizontal Alignment
Drop three points on the aerial map to size a curve and place chevrons.
Open Alignment ToolAccess Density & Speed Limits
Map driveways and road accesses, review access-based speed-limit recommendations, and print density and gap reports.
Open Access Density & Speed LimitsIntersection Sight Distance
Compute ISD for multiple control cases with visual aids.
Open ISD ToolTravel Time
Run speed studies and sample-size checks for travel-time runs.
Open Travel Time ToolManning's Flow
Compute discharge, velocity, and hydraulic radius for open channels.
Open Manning ToolAASHTO Crest Curve
Compute vertical-curve length/K for SSD or passing sight distance.
Open AASHTO ToolSign Placement
Estimate PR distance, text height, and total distance for sign location.
Open Sign Placement ToolBridge Underclearance
Use six decimal-foot readings per direction to calculate separate two-way bridge sign legends.
Open Underclearance ToolLetter Height
Size sign legend by legibility distance or Table 2D-2 street-name values.
Open Letter Height ToolSign Post Embed
Stack sign faces and pick a 10/12/15 ft post that keeps 3 ft buried.
Open Embed ToolMUTCD Sign Lookup
Search sign codes, descriptions, and plaque notes from the 11th Edition MUTCD.
Open Sign LookupTraffic Growth
Project future volume or compute annual growth (CAGR).
Open Growth ToolDensity (Cohesive)
Estimate max density/optimum moisture for cohesive soils (AASHTO T-99).
Open Density ToolSEMCOG Maps
Transportation map apps from SEMCOG plus a quick link to Road Jurisdiction.
Child
Oakland County
Official county directory and Board of Commissioners page.
MUTCD
Latest Michigan MUTCD PDF plus the national MUTCD reference site.
MDOT Standard Specs
2020 Standard Specifications book with errata (information only).
Reference Wikis
Traffic and construction knowledge bases used by the team.
External Calculators
Quick links to trusted tools that live outside this site.
Other Sites by Andrew Bates
Fun experiments and data dashboards hosted elsewhere.