Flatlane Crosswalk 1.0 - Download Traffic Analysis Workbench for iOS

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Start With Sample Scenarios

12 pre-built traffic scenarios included
Multiple lane configurations ready to analyze
No account registration required

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Full Timeline Control

Adjustable playback rates: 0.5x, 1x, 2x
Customizable timeline duration up to 24 seconds
Export analysis reports to PDF format

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Pro Features

Advanced Comparison Mode

Side-by-side scenario comparison
Vehicle mix analytics with charts
Safe window duration tracking

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All features included in version 1.0. No in-app purchases. No subscription required. Data remains private on your device.

How the Workbench Operates

Flatlane Crosswalk transforms pedestrian safety planning by letting you construct traffic scenarios from a side-view perspective. Stack multiple asphalt lanes, position vehicles of different types, then scrub through a unified timeline to identify exactly when a pedestrian can safely enter the crossing zone.

The system calculates safe crossing windows by analyzing vehicle positions, speeds, and gaps across all lanes simultaneously. Each scenario displays color-coded vehicles moving along their respective lanes while white rectangular zones highlight periods when all lanes are clear for the configured walk duration.

Every modification you make updates the analysis instantly. Adjust walk duration from the default 3.5 seconds, extend the timeline up to 24 seconds, reposition the crosswalk marker, or change vehicle speeds to see how different configurations affect safety windows and crossing opportunities.

Verified Specifications

Version 1.0 (1)

Platform iOS

Connectivity Fully Offline

Account Required No

Payment Model Free Download

Data Storage On Device

Export Format PDF

Core Capabilities

Timeline Scrubbing

Drag through any point in your scenario timeline to watch vehicle positions update in real-time. The playback system supports 0.5x, 1x, and 2x speeds with optional tick feedback while you navigate through the crossing sequence.

Visual Analytics Dashboard

Access comprehensive insights showing longest safe windows across all scenarios, vehicle mix distribution in pie chart format, and mean speed comparisons. The analytics update automatically as you create and modify crossing plans.

Multi-Vehicle Library

Choose from cars, trucks, and buses with distinct visual representations. Each vehicle type can be assigned different speeds and directions, allowing you to simulate realistic traffic patterns from quiet two-lane roads to busy four-lane intersections.

Scenario Management

Save unlimited crossing plans in your local library. Each saved scenario stores lane configuration, vehicle positions, speeds, and calculated safe windows. Search and filter your collection by name or characteristics.

Side-by-Side Comparison

Load two different scenarios simultaneously to evaluate which configuration provides longer safe crossing windows. The stacked view displays both timelines vertically with synchronized playback controls for direct visual comparison.

PDF Documentation

Export any crossing plan to PDF format with complete vehicle data, timeline visualization, safe window calculations, and lane-by-lane analysis. Perfect for safety reports, urban planning documentation, or educational materials.

Planning Workflow Details

Stage Construction

Add up to 4 parallel asphalt lanes with customizable directions
Drop vehicles onto specific lanes at chosen timeline positions
Set individual vehicle speeds in km/h for realistic movement
Adjust crosswalk position marker along the road layout
Configure walk duration to match pedestrian crossing requirements

Analysis Output

Automatic calculation of longest continuous safe window
Color-coded timeline zones indicating clear crossing periods
Per-lane vehicle tracking with direction indicators
Mean gap calculations between consecutive vehicles
Aggregate statistics across your entire scenario library

Privacy-First Architecture

Flatlane Crosswalk stores all crossing plans exclusively on your device. The application operates completely offline without requiring network connectivity, user accounts, or cloud synchronization. Your traffic analysis scenarios remain private and under your control.

The workbench includes 12 sample scenarios demonstrating different traffic patterns from school zones to harbor fronts. You can restore these samples at any time from the settings panel or build your own collection from scratch without limitations.

Flatlane Crosswalk