{"id":3491,"date":"2023-05-31T20:11:21","date_gmt":"2023-05-31T18:11:21","guid":{"rendered":"https:\/\/www.systra.com\/canada\/?post_type=projects&p=3491"},"modified":"2024-06-25T17:07:43","modified_gmt":"2024-06-25T15:07:43","slug":"examen-par-les-pairs-des-previsions-dachalandage-du-rem-de-lest","status":"publish","type":"projects","link":"https:\/\/www.systra.com\/canada\/fr\/project\/examen-par-les-pairs-des-previsions-dachalandage-du-rem-de-lest\/","title":{"rendered":"Examen par les pairs des pr\u00e9visions d\u2019achalandage du REM de l\u2019est"},"content":{"rendered":"\n
\n
\n
\n \n
Technical details<\/div>\n \t
\n\t
Customer<\/div>\n\t
Caisse de d\u00e9p\u00f4t et placement du Qu\u00e9bec (CDPQ Infra Inc.)<\/div>\n\t <\/div>\n
\n
Dates<\/div>\n
2021-2022<\/div>\n <\/div>\n
\n
Missions<\/div>\n
Comparer les r\u00e9sultats de l'\u00e9tude d'achalandage de SYSTRA Canada avec ceux de STEER<\/div>\n <\/div>\n
\n
Localisation<\/div>\n
Canada<\/div>\n <\/div>\n
\n
Activity<\/div>\n
Planification des transports et analyse de la demande, Mod\u00e9lisation, Pr\u00e9vision d'achalandage<\/div>\n <\/div>\n \n \n <\/div>\n<\/div>\n\n\n\n
\n

Sur la base des grandes orientations soumises par le gouvernement du Qu\u00e9bec, CDPQ Infra a amorc\u00e9 en mai 2019 l\u2019\u00e9tude d\u2019un syst\u00e8me de transport collectif \u00e9lectrique pour relier l\u2019est de Montr\u00e9al et le secteur du C\u00e9gep Marie-Victorin au centre-ville.<\/mark><\/strong><\/p>\n\n\n\n

La solution d\u00e9velopp\u00e9e par CDPQ Infra consiste \u00e0 construire un nouveau r\u00e9seau de m\u00e9tro l\u00e9ger automatis\u00e9 (GoA4) dans l\u2019est et le nord-est de Montr\u00e9al, soit le R\u00e9seau express m\u00e9tropolitain (REM) de l\u2019Est. Ce nouveau r\u00e9seau compte 34 km de nouveaux corridors d\u00e9di\u00e9s au transport collectif et se d\u00e9ploie sur deux antennes (C\u00e9gep Marie-Victorin\/St-Cl\u00e9ment et Pointe-aux-Trembles\/St-Cl\u00e9ment) et un tron\u00e7on commun (St-Cl\u00e9ment\/Robert-Bourassa au centre-ville).<\/p>\n\n\n\n

L’antenne Marie-Victorin cr\u00e9e un nouveau lien entre le secteur du C\u00e9gep Marie-Victorin dans l\u2019arrondissement Montr\u00e9al-Nord et le centre-ville de Montr\u00e9al. Ce trac\u00e9 compte une section en tunnel sous le boulevard Lacordaire et dessert plusieurs quartiers denses actuellement mal desservis en transport collectif. L\u2019antenne Pointe-aux-Trembles offre un nouveau service rapide entre la pointe est de l\u2019\u00eele et le centre-ville de Montr\u00e9al en desservant plusieurs secteurs qui pr\u00e9sentent un potentiel de red\u00e9veloppement. Le trac\u00e9 a\u00e9rien emprunte la rue Sherbrooke \u00e0 l\u2019est de l\u2019autoroute 25.<\/p>\n\n\n\n

Les rames sont compos\u00e9es de deux voitures de m\u00e9tro l\u00e9ger \u00e9lectriques et sont aliment\u00e9es par un syst\u00e8me cat\u00e9naire. Le REM de l\u2019Est compte 23 stations universellement accessibles et \u00e9quip\u00e9es des portes pali\u00e8res. Le service est offert 7 jours sur 7, aux m\u00eames heures que le m\u00e9tro de Montr\u00e9al.<\/p>\n\n\n\n

\u00c0 la suite des pr\u00e9visions d\u2019achalandage produites lors de l\u2019\u00e9tape de dimensionnement du projet (Q1 2020) par la soci\u00e9t\u00e9 STEER (ex. : STEER Davis Gleave), CDPQ Infra a contractualis\u00e9 avec cette soci\u00e9t\u00e9 une nouvelle \u00e9tude \u00ab bancable \u00bb qui a pour objectif de r\u00e9aliser une projection plus d\u00e9taill\u00e9e des donn\u00e9es d\u2019achalandage qui serviront de base aux estimations des revenus du projet lors de son exploitation.<\/p>\n<\/div>\n<\/div>\n\n\n\n

Cette \u00e9tude apportera des pr\u00e9cisions suppl\u00e9mentaires aux \u00e9tudes de dimensionnement sur la base des donn\u00e9es d\u2019entr\u00e9es r\u00e9cemment recueillies sur le terrain et sur le d\u00e9veloppement d\u2019un mod\u00e8le 24 heures.<\/p>\n\n\n\n

Puisque les mod\u00e8les financiers sont tr\u00e8s sensibles aux pr\u00e9visions d\u2019achalandage, CDPQ Infra souhaite obtenir une v\u00e9rification de cette \u00e9tude \u00ab bancable \u00bb. Pour cela, CDPQ Infra a demand\u00e9 \u00e0 SYSTRA Canada de produire un examen par les pairs (Peer Review) du travail qui a \u00e9t\u00e9 r\u00e9alis\u00e9 par STEER en \u00e9laborant un mod\u00e8le et des simulations en parall\u00e8le, sur le m\u00eame projet, permettant notamment de comparer les r\u00e9sultats issus des deux mod\u00e8les en soulevant les approches m\u00e9thodologiques utilis\u00e9es.<\/p>\n\n\n\n

SYSTRA Canada a identifi\u00e9 en d\u00e9tail les diff\u00e9rentes approches m\u00e9thodologiques de STEER et SYSTRA qui ont conduit \u00e0 des \u00e9carts mineurs dans les r\u00e9sultats des simulations, notamment le nombre des embarquements par p\u00e9riode de la journ\u00e9e, par station et la charge maximale par tron\u00e7on.<\/p>\n\n\n\n

Pour ces mod\u00e9lisations 24 heures, SYSTRA Canada utilise l’outil QUETZAL d\u00e9velopp\u00e9 par la Direction conseil et am\u00e9nagement de SYSTRA. Cet outil utilise des librairies en langage Python et est open source<\/em>.<\/p>\n\n\n\n

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