The urgent need for clearance for Indy's major over passes.

1. CONTINENTAL MAPPING
Mapping from Earth, Sky and Space
www.continentalmapping.com
Madison, Wisconsin
Indianapolis, Indiana
Kansas City, Kansas
St. Louis, Missouri
Since 1999 more than 400 collisions have been recorded at bridges
throughout the South Split (intersection of I-65/I-70) in Indianapolis,
Indiana. On February 22nd, 2013 a semi-trailer hauling elevator equip-
ment collided with the Virginia Street Bridge overpass, causing a sup-
port beam to split, and severely impacting traffic. INDOT responded
swiftly engaging with Continental Mapping to complete a mobile lidar
aerial and mapping project for the site. Time was of the essence to
provide survey data to INDOT’s engineers for design modifications.
With under a week’s notice, Continental Mapping mobilized its
VMX-250 Riegl mobile lidar system and plane to collect mobile lidar
and aerial imagery. The mobile unit collected over 15 lane miles of
highway including over 30 bridges. Continental Mapping fused the
mobile lidar and imagery to complete 1”=25’ planimetric mapping
throughout the corridor and deliver stereo bridge clearances, 1’ con-
tours, DTM, orthos and a calibrated point cloud all to within 0.1’ verti-
cal accuracy on hard surfaces.
Indiana DOT Mobile Lidar & Photogrammetry
LOCATION: Indianapolis, Indiana
YEAR COMPLETED: 2013
OBJECTIVE: Deliver survey grade accurate 3-D data with speed and
efficiency to expedite design & construction
KEY POINTS:
• Speed: Mobilization and acquisition completed within 10 days of
initial phone call.
• Data Fusion: Hybrid solution of mobile lidar and photogrammetry.
• Engineering Ready Deliveries: DTM derived from fusion of mobile
lidar and photogrammetry. Delivered in CAD formats.
• Speed: Reconstructed South Split opens to traffic on 10/16/13,
more than 2 weeks ahead of aggressive schedule.
image source: INDOT
image source: INDOT